A147686 - cp's OEIS frontend

A147686 Late-growing permutations: number of permutations of 4 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.

%I A147686 #5 Aug 13 2013 13:58:51
%S A147686 1,14,6930,5223915,27032968200,164401445439455,3627155158988429250,
%T A147686 86733224358763671877835,5469038805616093755410863500
%N A147686 Late-growing permutations: number of permutations of 4 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.
%Y A147686 Cf. A147681.
%Y A147686 Column k=4 of A215561.
%K A147686 nonn
%O A147686 1,2
%A A147686 _R. H. Hardin_ May 01 2009

cp's OEIS Frontend

A147686 Late-growing permutations: number of permutations of 4 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.