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 A236235 #4 Jan 20 2014 19:03:46 %S A236235 181,0,0,0,0,0,535,17,0,0,1,0,14082,0,978,1,18383716,0,52,15824,985, %T A236235 1995824,12572,806911,127964,3360,1121590,3388924416,8831268,767760, %U A236235 5674830623,1127556150,436806956,75269404,2826220760,623517360,178352390026,4750656064 %N A236235 Number of binary words of length n with exactly 6 (possibly overlapping) occurrences of the subword given by the binary expansion of n. %H A236235 Alois P. Heinz, <a href="/A236235/b236235.txt">Table of n, a(n) for n = 15..1000</a> %Y A236235 Column k=6 of A233940. %K A236235 nonn %O A236235 15,1 %A A236235 _Alois P. Heinz_, Jan 20 2014