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 A036884 #16 Mar 30 2012 17:26:42 %S A036884 1,3,7,18,42,97,207,431,861,1685,3216,6042,11139,20248,36245,64041, %T A036884 111663,192432,327803,552593,922129,1524496,2497868,4058745,6542497, %U A036884 10467325,16626651,26231148,41114412,64042922,99164091,152671363,233762167 %N A036884 Number of partitions of 5n such that cn(0,5) = cn(1,5) = cn(4,5) <= cn(2,5) = cn(3,5). %C A036884 Alternatively, number of partitions of 5n such that cn(0,5) = cn(2,5) = cn(3,5) <= cn(1,5) = cn(4,5). %C A036884 For a given partition, cn(i,n) means the number of its parts equal to i modulo n. %H A036884 <a href="/wiki/Partitions_of_5n">Index and properties of sequences related to partitions of 5n</a> %F A036884 a(n) = A036880(n) - A036888(n) %F A036884 a(n) = A046776(n) + A036886(n) %F A036884 a(n) = A036881(n) - A036890(n) %K A036884 nonn %O A036884 1,2 %A A036884 _Olivier Gérard_ %E A036884 Terms a(10) onward from _Max Alekseyev_, Dec 10 2011