OFFSET
0,3
COMMENTS
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..59
A. V. Sills and D. Zeilberger, Formulae for the number of partitions of n into at most m parts (using the quasi-polynomial ansatz) (arXiv:1108.4391 [math.CO])
FORMULA
a(n) ~ n^n * 2^(n*(n-1)) / (n!)^2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Jun 07 2015
STATUS
approved