OFFSET
1,2
EXAMPLE
n=10 has two partitions with parts having more than two
prime-factors: 10 = 2*2*2 + 2 = 2*2*2 + 1 + 1, therefore
a(10) = A000041(10) - 2 = 42 - 2 = 40.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 28 2004
STATUS
approved