OFFSET
0,5
EXAMPLE
The sequence of integer partitions begins:
(1) (2) (3) (4) (5) (6) (7) (8) (9)
(22) (32) (42) (33)
(321) (222) (331)
(421) (3311)
(2221) (33111)
(4211)
(22211)
MATHEMATICA
Table[Length[Select[Array[IntegerPartitions, n, 1, Join], Times@@#==n&]], {n, 30}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Gus Wiseman, Oct 22 2018
STATUS
approved