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 A255947 #4 Mar 11 2015 19:08:09 %S A255947 877,18270,216006,1904301,13921922,89193846,517625311,2780643510, %T A255947 14036460424,67312339598,309183689612,1368888648981,5871001466715, %U A255947 24489742456347,99677744039362,396936924677881,1549990268577100,5946246979402065,22447258891006950 %N A255947 Number of collections of nonempty multisets with a total of n objects of exactly seven colors. %H A255947 Alois P. Heinz, <a href="/A255947/b255947.txt">Table of n, a(n) for n = 7..1000</a> %F A255947 a(n) = A255903(n,7). %Y A255947 Column k=7 of A255903. %K A255947 nonn %O A255947 7,1 %A A255947 _Alois P. Heinz_, Mar 11 2015