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

Author

Omar E. Pol, May 05 2013

Keywords

• nonn

Examples

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

Crossrefs

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

Programs

Mathematica

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

Formula

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

Extensions

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