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 A226884 #10 Jul 23 2025 05:31:24
%S A226884 120,360,2100,10080,58464,322560,1467840,7155720,36657192,179255076,
%T A226884 933034830,4330631760,21529265392,105723750312,519686374512,
%U A226884 2614195952160,12518753971164,61521911547096,302916858354682,1486023890700624,7449741849512920,35973707803032480
%N A226884 Number of n-length words w over a 5-ary alphabet {a1,a2,...,a5} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a5) >= 1, where #(w,x) counts the letters x in word w.
%H A226884 Alois P. Heinz, <a href="/A226884/b226884.txt">Table of n, a(n) for n = 5..1000</a>
%Y A226884 Column k=5 of A226874.
%K A226884 nonn
%O A226884 5,1
%A A226884 _Alois P. Heinz_, Jun 21 2013