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Followers
231
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
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🧰 Free analysis for Peter Luschny
Known for
44 views
Hey, guys! Want to achieve immortal fame? Here's your chance:
As of today, OEIS has 396,805 entries, and will reach the 400000-th sequence this fall. That spot, of course, has long been reserved for particularly outstanding recent submissions.
Here are the previous winners:
A100000: Dirk Huylebrouck
A200000: Jon Wild
A300000: Eric Angelini
Let's get started! Send in your ideas now!
[The plot il
4 views
Messi's path to the goal.
Length of the longest self avoiding walk through a grid such that either x or y is changed by +1 or -1 in each step, and with 0 <= y, 0 <= x <= y, x + y <= n starting at (0,0) and terminating at (x,y) = (n,0).
📊 Post engagement
10
Avg engagement / post
4.3%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: Hey, guys! Want to achieve immortal fame? Here's your chance: A · 44 likes + reposts
📊 Activity & format
Posting cadence
0.93 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 10 text · 2 image · 0 video.
Follower / following
1.7×
Follows 135 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🔥 Top post
Hey, guys! Want to achieve immortal fame? Here's your chance:
As of today, OEIS has 396,805 entries, and will reach the 400000-th sequence this fall. That spot, of course, has long been reserved for particularly outstanding recent submissions.
Here are the previous winners:
A10…
#CodeGolf #SageMath #OEIS
Okay, I admit it: I was code golfing today.
The subject was Bernoulli numbers. Many clever and incredibly complex algorithms have been devised to calculate them for large arguments and resulting in implementations…
Almost all offsets in the OEIS are wrong.
Well, of course with the exception of the natural numbers.
... but wait a minute!
No -- even here NJAS blundered! He apologizes:
Although this is a list, and lists normally have offset 1, it seems…
Messi's path to the goal.
Length of the longest self avoiding walk through a grid such that either x or y is changed by +1 or -1 in each step, and with 0 <= y, 0 <= x <= y, x + y <= n starting at (0,0) and terminating at (x,y) = (n,0).
From a conversation with ChatGPT:
GPT: I'd be interested in seeing how you derived that expression.
Me: By natural intelligence!
GPT: Fair enough! 😄
GPT: In fact, what impressed me most is not the formula itself but the fact that you spot…
Ah, the classic "OEIS curse!" It is the ultimate mathematical tragedy: you discover a gorgeous, flawless pattern, only to find out some mathematician in 1724 already named it after themselves.
Like it? Give a Python procedure!
https://oeis.org/A396297/a396297.jpg
#OEIS #Partitions
https://oeis.org/A334442
https://oeis.org/A334439
How should integer partitions be listed in the OEIS, what offset should the sequences have, and how should the empty partition be handled?
As an example, let's consider A3…
Science
6 May 1960
Vol 131, Issue 3410
pp. 1355-1358
Norbert Wiener
Some Moral and Technical Consequences of Automation: As machines learn they may develop unforeseen strategies at rates that baffle their programmers.
It is my thesis that…
... now playing
https://www.youtube.com/watch?v=CbbjV7XFD5U&t=8s
Rant over 0, 1, 2, 3, 4, 5, 6, ...
I'm ashamed of the OEIS for displaying "A007953: Digital sum" first when entering [0, 1, 2, 3, 4, 5, 6, 7, 8] instead of "A001477 The nonnegative integers".
God may have created the integers, but that do…
@dronebetter Please discuss with Hugo. I am on vacation.
Messi's path to the goal.
Length of the longest self avoiding walk through a grid such that either x or y is changed by +1 or -1 in each step, and with 0 <= y, 0 <= x <= y, x + y <= n starting at (0,0) and terminating at (x,y) = (n,0).
From a conversation with ChatGPT:
GPT: I'd be interested in seeing how you derived that expression.
Me: By natural intelligence!
GPT: Fair enough! 😄
GPT: In fact, what impressed me most is not the formula itself but the fact that you spot…
Ah, the classic "OEIS curse!" It is the ultimate mathematical tragedy: you discover a gorgeous, flawless pattern, only to find out some mathematician in 1724 already named it after themselves.
Like it? Give a Python procedure!
https://oeis.org/A396297/a396297.jpg
#OEIS #Partitions
https://oeis.org/A334442
https://oeis.org/A334439
How should integer partitions be listed in the OEIS, what offset should the sequences have, and how should the empty partition be handled?
As an example, let's consider A3…
Science
6 May 1960
Vol 131, Issue 3410
pp. 1355-1358
Norbert Wiener
Some Moral and Technical Consequences of Automation: As machines learn they may develop unforeseen strategies at rates that baffle their programmers.
It is my thesis that…
... now playing
https://www.youtube.com/watch?v=CbbjV7XFD5U&t=8s
Rant over 0, 1, 2, 3, 4, 5, 6, ...
I'm ashamed of the OEIS for displaying "A007953: Digital sum" first when entering [0, 1, 2, 3, 4, 5, 6, 7, 8] instead of "A001477 The nonnegative integers".
God may have created the integers, but that do…
@dronebetter Please discuss with Hugo. I am on vacation.
🐘 Community & instance
Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 10 views per post.
📤Posts about 0.9× per week.
🕵️ Fake follower check
Estimated80/100
Excellent
Credibility score
97%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 97% real, active audience · Low fake-follower risk.
- Strong engagement (~4.3% of followers engage each post) — an active, real audience.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Grandpa, hanging around in the OEIS helping people to get their stuff in.
Love the history of mathematics, computational mathematics, and reverse engineering. Sometimes translate papers by Euler and Riemann.
I entertain myself with hacking and learning new computer languages.
I wish that TeX and CAS merge into one unity, eliminating any 'formula translating system'.
The image in the header is a photograph of some graffiti art that was once on the Berlin Wall.
(See Wikipedia: Berlin Wall.)
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EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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