OFFSET
0,3
FORMULA
a(n) = P(2^n,n), where P(x, y) is the number of partitions of x into y parts.
a(n) = A008284(2^n,n). - R. J. Mathar, Mar 10 2017
MATHEMATICA
a[n_] := SeriesCoefficient[1/Product[1 - x^k, {k, 1, n}], {x, 0, 2^n - n}]; Table[an = a[n]; Print["a(", n, ") = ", an]; an, {n, 0, 14}] (* Jean-François Alcover, Mar 01 2017 *)
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Francois Alcover, Feb 28 2017
STATUS
approved