cp's OEIS Frontend

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.

A147697 Late-growing permutations: number of permutations of 9 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.

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%I A147697 #7 Dec 20 2021 07:04:45
%S A147697 1,4862,22787343150,807660192541534200,779279938350147159519336600,
%T A147697 2299118288652572230673921886739695630
%N A147697 Late-growing permutations: number of permutations of 9 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.
%Y A147697 Cf. A147681.
%Y A147697 Column k=9 of A215561.
%K A147697 nonn
%O A147697 1,2
%A A147697 _R. H. Hardin_, May 01 2009