This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A132126 #12 Dec 18 2018 13:21:01 %S A132126 0,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3,1,1,1,1, %T A132126 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, %U A132126 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 %N A132126 Number of nonassociative subloops of order 8n of the Cayley octonions (up to isomorphism). %C A132126 Every nonassociative subloop of the octonions has order a multiple of 8. %H A132126 Antti Karttunen, <a href="/A132126/b132126.txt">Table of n, a(n) for n = 1..65537</a> %H A132126 P. Boddington and D. Rumynin, <a href="http://dx.doi.org/10.1090/S0002-9939-07-08707-2">On Curtis' theorem about finite octonionic loops</a>, Proc. Amer. Math. Soc. 135 (2007), 1651-1657. %F A132126 a(1) = 0, a(6) = 2, a(12) = 2, a(30) = 3, otherwise a(n) = 1. %t A132126 ReplacePart[PadRight[{0},120,1],{6->2,12->2,30->3}] (* _Harvey P. Dale_, Dec 18 2018 *) %o A132126 (PARI) A132126(n) = if(1==n,0,if((6==n)||(12==n),2,if(30==n,3,1))); \\ _Antti Karttunen_, Sep 27 2018 %Y A132126 Cf. A090750. %K A132126 easy,nonn %O A132126 1,6 %A A132126 _Paul Boddington_, Oct 31 2007