A334060 - cp's OEIS frontend

A334060 Triangle read by rows: T(n,k) is the number of set partitions of {1..3n} into n sets of 3 with k disjoint strings of adjacent sets, each being a contiguous set of elements.

n	a(n)
0	1
1	0
2	1
3	7
4	3
5	0
6	219
7	56
8	5
9	0
10	12861
11	2352
12	183
13	4
14	0
15	1215794
16	174137
17	11145
18	323
19	1
20	0
21	169509845
22	19970411
23	1078977
24	30833
25	334
26	0
27	0
28	32774737463
29	3280250014
30	153076174
31	4056764
32	55379
33	206
34	0
35	0
36	8400108766161
37	730845033406
38	29989041076
39	727278456
40	10341101
41	67730
42	70
43	0
44	0

[1, 0, 1, 7, 3, 0, 219, 56, 5, 0, 12861, 2352, 183, 4, 0, 1215794, 174137, 11145, 323, 1, 0, 169509845, 19970411, 1078977, 30833, 334, 0, 0, 32774737463, 3280250014, 153076174, 4056764, 55379, 206, 0, 0, 8400108766161, 730845033406, 29989041076, 727278456, 10341101, 67730, 70, 0, 0]

cp's OEIS Frontend

A334060 Triangle read by rows: T(n,k) is the number of set partitions of {1..3n} into n sets of 3 with k disjoint strings of adjacent sets, each being a contiguous set of elements.

Table of values

List of values