A332724 - cp's OEIS frontend

A332724 Number of length n - 1 ordered set partitions of {1..n} where no element of any block is greater than any element of a non-adjacent consecutive block.

n	a(n)
0	0
1	0
2	1
3	6
4	14
5	32
6	65
7	128
8	243
9	452
10	826
11	1490
12	2659
13	4704
14	8261
15	14418
16	25030
17	43252
18	74437
19	127648
20	218199
21	371920
22	632306
23	1072486
24	1815239
25	3066432
26	5170825
27	8705118
28	14632958
29	24562952
30	41177801
31	68947520
32	115313979
33	192656924
34	321554986
35	536191418

[0, 0, 1, 6, 14, 32, 65, 128, 243, 452, 826, 1490, 2659, 4704, 8261, 14418, 25030, 43252, 74437, 127648, 218199, 371920, 632306, 1072486, 1815239, 3066432, 5170825, 8705118, 14632958, 24562952, 41177801, 68947520, 115313979, 192656924, 321554986, 536191418]

cp's OEIS Frontend

A332724 Number of length n - 1 ordered set partitions of {1..n} where no element of any block is greater than any element of a non-adjacent consecutive block.

Table of values

List of values