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 A242836 #8 May 24 2014 18:54:43
%S A242836 120,0,480,0,1800,0,5580,0,16224,0,43884,0,111828,5040,295752,90720,
%T A242836 918144,836640,3717552,5937840,18033888,36198000,92552004,199157040,
%U A242836 468066444,1018608720,2283162630,4928557200,10715965290,22825049040,48562957800,102021279960
%N A242836 Number of compositions of n with difference -5 between the number of odd parts and the number of even parts, both counted without multiplicity.
%C A242836 First odd term is a(114) = 348277353263626685406276711.
%H A242836 Alois P. Heinz, <a href="/A242836/b242836.txt">Table of n, a(n) for n = 30..500</a>
%e A242836 a(30) = 120 = 5!: all permutations of {2,4,6,8,10}.
%Y A242836 Column k=-5 of A242626.
%K A242836 nonn
%O A242836 30,1
%A A242836 _Alois P. Heinz_, May 23 2014