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 A255944 #4 Mar 11 2015 19:05:26 %S A255944 15,144,848,3936,15800,57420,194034,619912,1894152,5579536,15939998, %T A255944 44363268,120707904,321973720,843826794,2176829360,5535969328, %U A255944 13896678404,34470255256,84565452840,205353216490,493934650180,1177496577964,2783578273632,6528396084669 %N A255944 Number of collections of nonempty multisets with a total of n objects of exactly four colors. %H A255944 Alois P. Heinz, <a href="/A255944/b255944.txt">Table of n, a(n) for n = 4..1000</a> %F A255944 a(n) = A255903(n,4). %Y A255944 Column k=4 of A255903. %K A255944 nonn %O A255944 4,1 %A A255944 _Alois P. Heinz_, Mar 11 2015