A362893 - cp's OEIS frontend

A362893 Number of partitions of [n] whose blocks can be ordered such that the i-th block has at least i elements and no block j > i has an element smaller than the i-th smallest element of block i.

n	a(n)
0	1
1	1
2	1
3	2
4	5
5	12
6	28
7	69
8	193
9	614
10	2103
11	7359
12	25660
13	88914
14	309502
15	1102146
16	4092840
17	16046224
18	66410789
19	286905421
20	1273646720
21	5729762139
22	25881820352
23	116872997038
24	527375160184
25	2384407416357
26	10856086444051
27	50097994816979
28	235937202788389

[1, 1, 1, 2, 5, 12, 28, 69, 193, 614, 2103, 7359, 25660, 88914, 309502, 1102146, 4092840, 16046224, 66410789, 286905421, 1273646720, 5729762139, 25881820352, 116872997038, 527375160184, 2384407416357, 10856086444051, 50097994816979, 235937202788389]

cp's OEIS Frontend

A362893 Number of partitions of [n] whose blocks can be ordered such that the i-th block has at least i elements and no block j > i has an element smaller than the i-th smallest element of block i.

Table of values

List of values