OFFSET
0,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..40
MAPLE
with(numtheory):
b:= proc(n) option remember; `if`(n=0, 1, add(add(
`if`(d::odd, d, 0), d=divisors(j))*b(n-j), j=1..n)/n)
end:
a:= n-> b(combinat[numbpart](n)):
seq(a(n), n=0..22);
MATHEMATICA
Table[PartitionsQ@ PartitionsP@ n, {n, 0, 50}] (* Indranil Ghosh, Apr 07 2017 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Apr 05 2017
STATUS
approved