OFFSET
0,3
COMMENTS
Also partitions of 2n with even product.
EXAMPLE
The a(1) = 1 through a(4) = 16 partitions:
(2) (4) (6) (8)
(22) (42) (44)
(211) (222) (62)
(321) (332)
(411) (422)
(2211) (431)
(21111) (521)
(611)
(2222)
(3221)
(4211)
(22211)
(32111)
(41111)
(221111)
(2111111)
MATHEMATICA
Table[Length[Select[IntegerPartitions[2n], Or@@EvenQ/@#&]], {n, 0, 15}]
CROSSREFS
This is the even bisection of A047967.
KEYWORD
nonn
AUTHOR
Gus Wiseman, Oct 16 2023
STATUS
approved