Jon Maiga

Creator of (text classification api), small games at and (number sequences). Game developer at Mojang.

[Jon Maiga @jonkagstrom]

5322 procedurally generated conjectures for OEIS entries that do not yet have a formula field: https://t.co/yEn81tYqiC

Some more info here https://t.co/o2iHTcUfLb

[Jon Maiga @jonkagstrom]

@sequencedb Also appears to be the position of zeros in the fixed point mapping 0->20, 1->20, 2->1120

[Jon Maiga @jonkagstrom]

@sequencedb Actually the second formula looks more interesting: a(n)=eq[A210882(n), A235711(n)]

[Jon Maiga @jonkagstrom]

@sequencedb Yes, submitted to the oeis (but for A242804)

[Jon Maiga @jonkagstrom]

A comment in A078465 says:
"a(n)/a(n-1) -> 1.476229...=1/x, where x satisfies the Sum x^p(n)=1 equation, i.e. x^2+x^3+x^5+x^7+x^11+... =1. (What constant is it?)"

This relationship may add an interpretation in terms of the number of palindromic prime compositions of even n:

[Sequence Machine @sequencedb]

Primonacci numbers: a(n)=a(n-2)+a(n-3)+a(n-5)+a(n-7)+a(n-11)+...+a(n-p(k))+... until n > p(k), where p(k) is the k-th prime. a(1)=a(2)=1. https://t.co/QjAsjKr1ID

Is a(n)=A276420(2*n)?
https://t.co/fhVKxYWGoJ

[Jon Maiga @jonkagstrom]

@sequencedb Yes obviously, but adding missing relation to the oeis.

[Jon Maiga @jonkagstrom]

I've setup a bot to tweet new interesting* mathematical conjectures that have been automatically discovered by https://t.co/PKBttEOMyX.

(*timeline may contain traces of rubbish/trivial/obvious formulas)

[Sequence Machine @sequencedb]

Bonse sequence: a(n) = minimal j such that n-j+1 < prime(j). https://t.co/Ryom54IyPc

Is a(n)=A036234(1+n-a(n-1))?
https://t.co/wShJ2X6ZtA

[Jon Maiga @jonkagstrom]

@sequencedb Yes, this is just A223486 (Lucas entry points) of the n-th prime. Submitted formula and cf. Interestingly A223486 was added after A194363.

[Jon Maiga @jonkagstrom]

@cachri81 Yes that would be interesting!

[Jon Maiga @jonkagstrom]

@PMAN15655798 @abcoetzee @NurveNetworks Sorry I missed your message. I might do that in the future, if I ever get back to updating playchilla again (haven't touched it for a long time). But I will let you know if I do!

[Jon Maiga @jonkagstrom]

@PMAN15655798 @abcoetzee That is incredible! It looks like it's from the CD/magazine, I remember I read that one could submit a game to Andre LaMothe, xtreme gaming (now @NurveNetworks it seems) and he might publish it. We even received a check or two :)

[Jon Maiga @jonkagstrom]

@abcoetzee @PMAN15655798 Indeed epic! Robin was very impressed that it was so exact the original. He also mentioned that it was improvised, I have a vague memory of him recording it on a really bad mic. Also I just recalled that one of the sfx is the modem connection sound, sped up 😀 long time ago now!

[Jon Maiga @jonkagstrom]

@abcoetzee @PMAN15655798 Look at that! Now I have the demo of our game :) thank you!

[Jon Maiga @jonkagstrom]

The music in the game was performed by my room mate Robin and the graphics by a fellow student Simon!

[Jon Maiga @jonkagstrom]

22 years ago I made a game called SpaceWorm, to my big surprise @PMAN15655798 remembers it and inspired him to start playing the guitar, check out his soundcloud: https://t.co/EPGiXRF9gv.

[P-MAN @PMAN15655798]

@jonkagstrom 98 sounds right. My cousin put a copy on our computer when I was like, 4. It's the first video game I ever played. I know it's just snake, but the graphics, sound FX, and especially the music were just so cool to me. It's actually one of the reasons I Started playing guitar.

[Jon Maiga @jonkagstrom]

@PMAN15655798 Wow, it was my roommate who played the guitar and a fellow student who did the graphics. I will forward your kind words to them next time I talk to them! Is that you playing guitar on your soundcloud? It's amazing.

[Jon Maiga @jonkagstrom]

@geoffsdesk Not that I am aware off, if you email [email protected] with you username and describe the problem and I can take a look!