A097762 - cp's OEIS frontend

A097762 Number of different partitions of the set {1, 2, ..., n} into an odd number of blocks such that each block contains at least 2 elements.

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	16
7	106
8	491
9	1919
10	7771
11	40261
12	264892
13	1871728
14	12988977
15	88413417
16	612354549
17	4492798353
18	35529920764
19	299329573882
20	2625719242667
21	23612697535919
22	216981233646783
23	2047084700918445
24	19952633715109592

[0, 1, 1, 1, 1, 16, 106, 491, 1919, 7771, 40261, 264892, 1871728, 12988977, 88413417, 612354549, 4492798353, 35529920764, 299329573882, 2625719242667, 23612697535919, 216981233646783, 2047084700918445, 19952633715109592]

cp's OEIS Frontend

A097762 Number of different partitions of the set {1, 2, ..., n} into an odd number of blocks such that each block contains at least 2 elements.

Table of values

List of values