OFFSET
0,4
COMMENTS
Sum of products of terms in all partitions of n into distinct triangular numbers (A000217).
EXAMPLE
a(16) = 75 because we have [15, 1], [10, 6], 15*1 = 15, 10*6 = 60 and 15 + 60 = 75.
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Sep 15 2018
STATUS
approved