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 A077484 #3 Mar 31 2012 10:29:01 %S A077484 0,0,0,1,2,0,2,4,5,2,5,7,8,8 %N A077484 Probability P(n) of the occurrence of a 2D self-trapping walk of length n: Exponent of 2 in the denominator. %C A077484 This sequence is the exponent of 2 in the denominator for P(n). %D A077484 For references see under A077483 %F A077484 P(n) = A077483(n) / ( 3^(n-1) * 2^A077484(n) ) %Y A077484 Cf. A077483. %K A077484 frac,more,nonn,walk %O A077484 7,5 %A A077484 _Hugo Pfoertner_, Nov 08 2002