OFFSET
1,3
COMMENTS
The Heinz number of an integer partition (y_1, ..., y_k) is prime(y_1) * ... * prime(y_k).
LINKS
EXAMPLE
The sum of coefficients of s(41) = m(32) + m(41) + 2m(221) + 2m(311) + 3m(2111) + 4m(11111) is a(14) = 13.
CROSSREFS
KEYWORD
nonn
AUTHOR
Gus Wiseman, Nov 20 2018
STATUS
approved