A102759 - cp's OEIS frontend

A102759 Number of partitions of n-set in which number of blocks of size 2k is even (or zero) for every k.

n	a(n)
0	1
1	1
2	1
3	2
4	8
5	27
6	82
7	338
8	1647
9	7668
10	37779
11	210520
12	1276662
13	7985200
14	51302500
15	358798144
16	2677814900
17	20309850311
18	160547934756
19	1344197852830
20	11666610870142
21	104156661915427
22	962681713955130
23	9238216839975106
24	91508384728188792
25	930538977116673878

[1, 1, 1, 2, 8, 27, 82, 338, 1647, 7668, 37779, 210520, 1276662, 7985200, 51302500, 358798144, 2677814900, 20309850311, 160547934756, 1344197852830, 11666610870142, 104156661915427, 962681713955130, 9238216839975106, 91508384728188792, 930538977116673878]

cp's OEIS Frontend

A102759 Number of partitions of n-set in which number of blocks of size 2k is even (or zero) for every k.

Table of values

List of values