A127700 Numbers n such that partition number of n^2 is even.

3, 5, 8, 10, 16, 20, 21, 23, 26, 28, 30, 39, 41, 43, 45, 46, 47, 48, 49, 50, 51, 56, 58, 59, 63, 66, 68, 70, 71, 73, 76, 78, 80, 82, 84, 85, 86, 87, 88, 92, 93, 95, 96, 97, 100, 102, 103, 111, 112, 113, 115, 117, 120, 121, 122, 123, 125, 127, 129, 131, 134, 135, 137

Offset

1,1

Links

Table of n, a(n) for n=1..63.

Formula

A000041(n^2) is even.

Mathematica

Select[Range[200], EvenQ[PartitionsP[ #^2]]&]

Crossrefs

Cf. A000041, A001560, A052001, A052002, A127219.

Sequence in context: A117176 A212987 A217919 * A101907 A380505 A242250

Adjacent sequences: A127697 A127698 A127699 * A127701 A127702 A127703

Keyword

nonn

Author

Zak Seidov, Apr 03 2007

Status

approved