OFFSET
1,2
COMMENTS
See reference below.
REFERENCES
A. Becher, A. Knopfmacher, and M. E. Mays, Casting light on integer partitions, preprint.
FORMULA
G.f.: P(q) * Sum_{i>=1} (q^i*(1+q^i)/(1-q^i)), where P(q) is the partition g.f. Product_{i>=1} 1/(1-q^i).
CROSSREFS
KEYWORD
nonn
AUTHOR
Arnold Knopfmacher, Sep 29 2023
EXTENSIONS
More terms from Alois P. Heinz, Sep 29 2023
STATUS
approved