A217725 Numbers n such that 5n is a partition number.

1, 3, 6, 27, 77, 98, 251, 315, 602, 913, 2462, 5203, 6237, 15035, 34705, 77231, 143044, 166364, 224301, 348326, 464704, 617547, 710869, 939441, 1417900, 2769730, 4101251, 5308732, 9999185, 18533944, 26646186, 33845975, 54249790, 60960273, 108389248

Offset

1,2

Links

Table of n, a(n) for n=1..35.

Formula

a(j) = A225325(j)/5.

Example

3 is in the sequence because 5*3 = 15 and 15 is a partition number: p(7) = A000041(7) = 15.

Mathematica

Select[PartitionsP[Range[300]], Mod[#, 5] == 0 &]/5 (* T. D. Noe, May 05 2013 *)

Crossrefs

Cf. A000041, A213179, A213365, A216258, A217726, A222175, A222178, A222179, A225317, A225323, A225325.

Sequence in context: A266857 A014561 A034502 * A023169 A083695 A215398

Adjacent sequences: A217722 A217723 A217724 * A217726 A217727 A217728

Keyword

nonn

Author

Omar E. Pol, May 05 2013

Extensions

a(9)-a(35) from R. J. Mathar, May 05 2013

Status

approved