A130222 - cp's OEIS frontend

A130222 Number of partitions of 2n-set in which number of blocks of size 2k-1 is even (or zero) for every k.

n	a(n)
0	1
1	2
2	11
3	117
4	2116
5	54233
6	1822053
7	76771684
8	3922196627
9	238355654605
10	16936961517144
11	1387902030575371
12	129757092644981529
13	13704639448111317852
14	1621528608322059614411
15	213338281602779271672663
16	31000779368619961156885708
17	4945841944762007645453032073

[1, 2, 11, 117, 2116, 54233, 1822053, 76771684, 3922196627, 238355654605, 16936961517144, 1387902030575371, 129757092644981529, 13704639448111317852, 1621528608322059614411, 213338281602779271672663, 31000779368619961156885708, 4945841944762007645453032073]

cp's OEIS Frontend

A130222 Number of partitions of 2n-set in which number of blocks of size 2k-1 is even (or zero) for every k.

Table of values

List of values