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 A151782 #2 Mar 30 2012 16:51:06
%S A151782 1,8,8,56,8,56,56,392,8,56,56,392,56,392,392,2744,8,56,56,392,56,392,
%T A151782 392,2744,56,392,392,2744,392,2744,2744,19208,8,56,56,392,56,392,392,
%U A151782 2744,56,392,392,2744,392,2744,2744,19208,56,392,392,2744,392,2744,2744,19208,392
%N A151782 a(1)=1; for n > 1, a(n)=8*7^{wt(n-1)-1}.
%Y A151782 Cf. A151779, A151780, etc.
%K A151782 nonn
%O A151782 1,2
%A A151782 _N. J. A. Sloane_, Jun 25 2009