A374320 - cp's OEIS frontend

A374320 Number of partitions of [n] such that the number of blocks of size k is a multiple of k for every k.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	16
6	46
7	106
8	316
9	1604
10	8156
11	33716
12	125456
13	1073216
14	10233224
15	69873896
16	364469561
17	2296961801
18	19124734801
19	147200743489
20	960313414036
21	6422446261456
22	52845891370966
23	461844834503746
24	3779922654292324
25	31131912140021452
26	296987899271509252

[1, 1, 1, 1, 4, 16, 46, 106, 316, 1604, 8156, 33716, 125456, 1073216, 10233224, 69873896, 364469561, 2296961801, 19124734801, 147200743489, 960313414036, 6422446261456, 52845891370966, 461844834503746, 3779922654292324, 31131912140021452, 296987899271509252]

cp's OEIS Frontend

A374320 Number of partitions of [n] such that the number of blocks of size k is a multiple of k for every k.

Table of values

List of values