A222179 Numbers n such that 9n is a partition number.

15, 33, 88, 175, 1127, 3465, 7029, 36659, 1755164, 4900901, 537252430, 816292168, 1365815759, 2048921480, 11937573274, 14434878293, 17435497255, 27826547235, 169697066625, 371707331522, 405119159125, 800760189610, 23737435535625, 86561181062463, 100528900924040

Offset

1,1

Links

Table of n, a(n) for n=1..25.

Formula

a(j) = A225360(j)/9.

Example

15 is in the sequence because 9*15 = 135 and 135 is a partition number: p(14) = A000041(14) = 135.

Mathematica

Select[PartitionsP[Range[300]], Mod[#, 9] == 0 &]/9 (* T. D. Noe, May 05 2013 *)

Crossrefs

Cf. A000041, A213179, A213365, A216258, A217725, A217726, A222175, A222178, A225317, A225323, A225360.

Sequence in context: A277385 A108517 A211327 * A322493 A190052 A242243

Adjacent sequences: A222176 A222177 A222178 * A222180 A222181 A222182

Keyword

nonn

Author

Omar E. Pol, May 05 2013

Extensions

a(6)-a(25) from R. J. Mathar, May 05 2013

Status

approved