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 A213456 #4 Jun 12 2012 11:38:50 %S A213456 1,2,8,4,72,65,16,18,4290,2416912633124328272,4132,4101, %T A213456 1183088714649826879 %N A213456 a(n) = smallest m such that the multiplicative order of m in nim-multiplication, A212200(m), is A094358(n). %D A213456 J. H. Conway and Alex Ryba, Personal communication, May 03 2012 and Jun 10 2012 %Y A213456 Cf. A212200-A212204, A094358. %K A213456 nonn %O A213456 1,2 %A A213456 _N. J. A. Sloane_, Jun 12 2012