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 A213295 #4 Jun 15 2012 03:54:15 %S A213295 1,7,49,280,1414,6104,23527,83916,296268,1050777,3771418,13717679, %T A213295 50861266,191950441,739460834,2901202157,11612278801,47307362988, %U A213295 196385040929,828929230122,3560359729835,15531007871015,68843517673532,309567264833019,1412620935530761 %N A213295 Number of n-length words w over 7-ary alphabet such that for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z. %Y A213295 Column k=7 of A213276. %K A213295 nonn %O A213295 0,2 %A A213295 _Alois P. Heinz_, Jun 08 2012