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 A036885 #10 Mar 30 2012 17:26:42 %S A036885 1,3,7,17,40,94,212,464,980,2010,4011,7820,14927,27968,51519,93450, %T A036885 167106,294902,514054,885804,1509945,2547768,4257734,7050954,11576404, %U A036885 18851628,30461253,48857762,77813497,123097971,193485805,302251865,469376012 %N A036885 Number of partitions of 5n such that cn(1,5) = cn(4,5) <= cn(0,5) < cn(2,5) = cn(3,5). %C A036885 Alternatively, number of partitions of 5n such that cn(2,5) = cn(3,5) <= cn(0,5) < cn(1,5) = cn(4,5). %C A036885 For a given partition, cn(i,n) means the number of its parts equal to i modulo n. %H A036885 <a href="/wiki/Partitions_of_5n">Index and properties of sequences related to partitions of 5n</a> %F A036885 a(n) = A036881(n) - A036889(n) %F A036885 a(n) = A036886(n) + A036894(n) %K A036885 nonn %O A036885 1,2 %A A036885 _Olivier Gérard_ %E A036885 Terms a(10) onward from _Max Alekseyev_, Dec 10 2011