A374321 - cp's OEIS frontend

A374321 Number of partitions of [n] such that the number of blocks of size k is zero or equals k for every k.

n	a(n)
0	1
1	1
2	0
3	0
4	3
5	15
6	0
7	0
8	0
9	280
10	2800
11	0
12	0
13	600600
14	8408400
15	0
16	2627625
17	44669625
18	0
19	0
20	38192529375
21	802043116875
22	0
23	0
24	0
25	1508282884484376
26	39215354996593776
27	0
28	0
29	107469680368165243128
30	3224090411044957293840
31	0
32	0
33	0
34	76290792475347121351680

[1, 1, 0, 0, 3, 15, 0, 0, 0, 280, 2800, 0, 0, 600600, 8408400, 0, 2627625, 44669625, 0, 0, 38192529375, 802043116875, 0, 0, 0, 1508282884484376, 39215354996593776, 0, 0, 107469680368165243128, 3224090411044957293840, 0, 0, 0, 76290792475347121351680]

cp's OEIS Frontend

A374321 Number of partitions of [n] such that the number of blocks of size k is zero or equals k for every k.

Table of values

List of values