OFFSET
0,6
EXAMPLE
a(9) counts these 5 partitions: 81, 72, 63. 621, 54.
MATHEMATICA
PROG
(Python)
from sympy.utilities.iterables import partitions
def A240851(n): return sum(1 for s, p in partitions(n, size=True) if max(p.values(), default=0)==1 and (n%s or n//s not in p)) # Chai Wah Wu, Sep 21 2023
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 14 2014
STATUS
approved