A237280 Numbers k such that A000041(k) == 2 (mod 4).

2, 8, 9, 10, 19, 22, 25, 27, 28, 31, 34, 40, 42, 45, 46, 47, 50, 57, 64, 65, 79, 86, 97, 101, 103, 110, 129, 147, 151, 158, 160, 163, 167, 170, 174, 175, 176, 184, 197, 198, 207, 213, 217, 224, 227, 228, 241, 245, 246, 247

Offset

1,1

Comments

The set of positive integers is partitioned by the sequences A237278-A237281.

Links

Clark Kimberling, Table of n, a(n) for n = 1..1000

Example

A000041(8) = 22 == 2 (mod 4).

Mathematica

f[n_, k_] := Select[Range[250], Mod[PartitionsP[#], n] == k &]
Table[f[4, k], {k, 0, 3}] (* A237278-A237281 *)

Crossrefs

Cf. A000041, A237276, A237278, A237279, A237281.

Sequence in context: A277857 A360427 A369204 * A282636 A019511 A103190

Adjacent sequences: A237277 A237278 A237279 * A237281 A237282 A237283

Keyword

nonn,easy

Author

Clark Kimberling, Feb 05 2014

Status

approved