A275296 Number of set partitions of [2n] with symmetric block size list of length ten.

1, 125, 11935, 1054446, 90883409, 7785919355, 667846094180, 57528246520478, 4982376224847449, 434013966175033628, 38025865334904838663, 3350276790194497909856, 296749825639022477348788, 26416568025494093610125066, 2362674123675423339031313673

Offset

5,2

Links

Alois P. Heinz, Table of n, a(n) for n = 5..300

Wikipedia, Partition of a set

Formula

a(n) ~ sqrt(5) * 100^n / (2322432*Pi^(5/2)*n^(5/2)). - Vaclav Kotesovec, Aug 02 2016

Crossrefs

Bisection of column k=10 of A275281.

Sequence in context: A317981 A223259 A347510 * A259925 A121005 A264062

Adjacent sequences: A275293 A275294 A275295 * A275297 A275298 A275299

Keyword

nonn

Author

Alois P. Heinz, Jul 22 2016

Status

approved