OFFSET
15,2
LINKS
Alois P. Heinz, Table of n, a(n) for n = 15..5000
FORMULA
G.f.: Sum_{0<i<j<k<l<m} x^(i+j+k+l+m)/( (1-x^i)*(1-x^j)*(1-x^k)*(1-x^l)*(1-x^m) ).
EXAMPLE
a(16) = 2 because we have 6+4+3+2+1, 5+4+3+2+1+1.
MAPLE
# Using function P from A365676:
PROG
(Python)
from sympy.utilities.iterables import partitions
def A365631(n): return sum(1 for p in partitions(n) if len(p)==5) # Chai Wah Wu, Sep 14 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Sep 13 2023
STATUS
approved