OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..5000
FORMULA
a(n) = [x^(n^2)] 1/Product_{j>=0}(1-x^(2^j)).
EXAMPLE
a(3) = 10, because there are 10 partitions of 3^2=9 into powers of 2: [1,8], [1,4,4], [1,2,2,4], [1,1,1,2,4], [1,1,1,1,1,4], [1,2,2,2,2], [1,1,1,2,2,2], [1,1,1,1,1,2,2], [1,1,1,1,1,1,1,2], [1,1,1,1,1,1,1,1,1].
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Oct 07 2011
STATUS
approved