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 A228633 #4 Aug 28 2013 09:20:33
%S A228633 7,0,0,0,0,0,0,182,420,480,544,612,684,760,9240,30030,67804,115368,
%T A228633 174000,245050,329940,981288,3093720,7999650,17578860,33429408,
%U A228633 57448512,91863750,186037460,472754520,1217599848,2884102492,6217627260,12258776400,22412899280
%N A228633 Number of s in {1,...,n}^n having shortest run with the same value of length 7.
%H A228633 Alois P. Heinz, <a href="/A228633/b228633.txt">Table of n, a(n) for n = 7..180</a>
%Y A228633 Column k=7 of A228617.
%K A228633 nonn
%O A228633 7,1
%A A228633 _Alois P. Heinz_, Aug 28 2013