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 A236232 #5 Jan 20 2014 19:01:09 %S A236232 5,0,0,10,6,1,84,40,1662,8,276,1948,2220,1788,52903,63836,92548, %T A236232 108160,527238,691832,4591942,4085120,14751215,22719212,116689525, %U A236232 10635080,42281072,136612465,216703500,987830670,1083905462,3170868937,5311691060,8407495040 %N A236232 Number of binary words of length n with exactly 3 (possibly overlapping) occurrences of the subword given by the binary expansion of n. %H A236232 Alois P. Heinz, <a href="/A236232/b236232.txt">Table of n, a(n) for n = 7..1000</a> %Y A236232 Column k=3 of A233940. %K A236232 nonn %O A236232 7,1 %A A236232 _Alois P. Heinz_, Jan 20 2014