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 A248116 #4 Oct 03 2014 15:18:27
%S A248116 1,2,9,21,76,191,581,1498,4289,11178,30228,78312,203322
%N A248116 Number of subsets of {1,...,n} containing n and having at least one set partition into 7 blocks with equal element sum.
%Y A248116 Column k=7 of A248112.
%K A248116 nonn,more
%O A248116 13,2
%A A248116 _Alois P. Heinz_, Oct 02 2014