A216258 Numbers n such that 4n is a partition number.

14, 44, 198, 609, 1401, 112819, 178805, 207955, 325039, 580880, 1021992, 1772375, 2029566, 3033041, 3949119, 6635915, 23167430, 29528576, 37549534, 47642323, 96069084, 120875711, 135486560, 190250539, 212844157, 297227062, 331927519, 461087390, 572830228

Offset

1,1

Links

Table of n, a(n) for n=1..29.

Formula

a(j) = A225324(j)/4.

Example

14 is in the sequence because 4*14 = 56 and 56 is a partition number: p(11) = A000041(11) = 56.

Mathematica

Select[PartitionsP[Range[300]], Mod[#, 4] == 0 &]/4 (* T. D. Noe, May 05 2013 *)

Crossrefs

Cf. A000041, A213179, A213365, A217725, A217726, A222175, A222178, A222179, A225317, A225323, A225324.

Sequence in context: A009942 A031130 A215199 * A064348 A206215 A328243

Adjacent sequences: A216255 A216256 A216257 * A216259 A216260 A216261

Keyword

nonn

Author

Omar E. Pol, May 05 2013

Extensions

a(9)-a(29) from R. J. Mathar, May 05 2013

Status

approved