A128855 Number of partitions of binomial(2*n, n).

1, 2, 11, 627, 4087968, 269232701252579, 1122762851668802145076610697775, 7635091408773606342884016584406035907659413687778608637732566

Offset

0,2

Links

Michael De Vlieger, Table of n, a(n) for n = 0..11

Formula

a(n) = A000041(A000984(n)). - Michel Marcus, Aug 15 2013

Mathematica

Table[PartitionsP[Binomial[2n, n]], {n, 0, 8}] (* Harvey P. Dale, Sep 29 2012 *)

Prog

(MuPAD) combinat::partitions::count(binomial(2*n, n)) $n=0..9

Crossrefs

Cf. A000041, A000984.

Sequence in context: A013109 A120934 A000886 * A262547 A206846 A092730

Adjacent sequences: A128852 A128853 A128854 * A128856 A128857 A128858

Keyword

nonn

Author

Zerinvary Lajos, Apr 16 2007

Status

approved