A087185 Partition numbers of the form 3*k+2.

2, 5, 11, 56, 77, 101, 176, 1958, 4565, 6842, 26015, 53174, 124754, 173525, 526823, 715220, 966467, 2012558, 2323520, 2679689, 3554345, 7089500, 9289091, 12132164, 13848650, 23338469, 26543660, 30167357, 38887673, 56634173

Offset: 1

Author

Reinhard Zumkeller, Aug 23 2003

Keywords

• nonn

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000
• Eric Weisstein's World of Mathematics, Partition Function.
• Eric Weisstein's World of Mathematics, Partition Function P Congruences.

Crossrefs

Cf. A000041, A087182, A087183, A087184, A068907, A052001, A052003, A237277.

Programs

Mathematica

Select[PartitionsP[Range[200]],Divisible[#-2,3]&] (* Harvey P. Dale, Apr 22 2016 *)

Formula

a(n) = A000041(A237277(n)). - Amiram Eldar, May 22 2025