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 A095091 #9 Mar 05 2014 03:07:28 %S A095091 0,0,0,1,2,7,15,31,68,148,310,664,1345,2768,5673,11605,23665,48035, %T A095091 97599,197383 %N A095091 Number of 4k+3 integers in range [2^n, 2^(n+1)] whose Jacobi-vector is not a valid Motzkin-path (A095101). %H A095091 A. Karttunen and J. Moyer, <a href="/A095062/a095062.c.txt">C-program for computing the initial terms of this sequence</a> %F A095091 a(n) = 2^(n-2) - A095090(n) for n > 1. %Y A095091 Cf. A095093. %K A095091 nonn,more %O A095091 1,5 %A A095091 _Antti Karttunen_, Jun 01 2004