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A258305 Number of partitions of 5*n^3 into parts that are at most n. 5

%I #9 Sep 10 2016 03:14:12

%S 1,1,21,1587,238383,55567352,17847892852,7361757422695,

%T 3723968532118769,2236948326023829383,1558198571940473783110,

%U 1236019919143994867274825,1100668944858994534988670451,1087699749857592852109688615310,1181577954513871365541825872100466

%N Number of partitions of 5*n^3 into parts that are at most n.

%H Vaclav Kotesovec, <a href="/A258305/b258305.txt">Table of n, a(n) for n = 0..90</a>

%F a(n) ~ exp(2*n + 1/20) * 5^(n-1) * n^(n-3) / (2*Pi).

%p T:=proc(n,k) option remember; `if`(n=0 or k=1, 1, T(n,k-1) + `if`(n<k, 0, T(n-k,k))) end proc: seq(T(5*n^3, n), n=0..20);

%Y Cf. A238608, A258302, A258303, A258304.

%K nonn

%O 0,3

%A _Vaclav Kotesovec_, May 25 2015

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Last modified April 26 20:34 EDT 2024. Contains 372004 sequences. (Running on oeis4.)