A323099 - cp's OEIS frontend

A323099 Number T(n,k) of colored set partitions of [n] where exactly k colors are used for the elements; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	4
6	0
7	5
8	30
9	30
10	0
11	15
12	210
13	540
14	360
15	0
16	52
17	1560
18	7800
19	12480
20	6240
21	0
22	203
23	12586
24	109620
25	316680
26	365400
27	146160
28	0
29	877
30	110502
31	1583862
32	7366800
33	14733600
34	13260240
35	4420080
36	0
37	4140
38	1051560
39	23995440
40	169011360
41	521640000
42	792892800
43	584236800
44	166924800

[1, 0, 1, 0, 2, 4, 0, 5, 30, 30, 0, 15, 210, 540, 360, 0, 52, 1560, 7800, 12480, 6240, 0, 203, 12586, 109620, 316680, 365400, 146160, 0, 877, 110502, 1583862, 7366800, 14733600, 13260240, 4420080, 0, 4140, 1051560, 23995440, 169011360, 521640000, 792892800, 584236800, 166924800]

cp's OEIS Frontend

A323099 Number T(n,k) of colored set partitions of [n] where exactly k colors are used for the elements; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values