A237277 - OEIS

A237277

Numbers k such that A000041(k) == 2 (mod 3).

2, 4, 6, 11, 12, 13, 15, 25, 29, 31, 38, 42, 47, 49, 56, 58, 60, 65, 66, 67, 69, 74, 76, 78, 79, 83, 84, 85, 87, 90, 92, 93, 94, 96, 101, 103, 105, 108, 109, 114, 120, 121, 123, 126, 127, 130, 131, 132, 135, 136, 141, 144, 145, 153, 156, 159, 165, 167, 171

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OFFSET

1,1

COMMENTS

The set of positive integers is partitioned by A083214, A237276, and A237277.

LINKS

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

EXAMPLE

A000041(6) = 11 == 2 (mod 3).

MATHEMATICA

f[n_, k_] := Select[Range[250], Mod[PartitionsP[#], n] == k &]

Table[f[3, k], {k, 0, 2}] (* A083214, A237276, A237277 *)