A156815 - cp's OEIS frontend

A156815 Triangle T(n, k) = n!*StirlingS2(n, k)/binomial(n, k), read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	2
8	6
9	6
10	0
11	6
12	28
13	36
14	24
15	0
16	24
17	180
18	300
19	240
20	120
21	0
22	120
23	1488
24	3240
25	3120
26	1800
27	720
28	0
29	720
30	15120
31	43344
32	50400
33	33600
34	15120
35	5040
36	0
37	5040
38	182880
39	695520
40	979776
41	756000
42	383040
43	141120
44	40320
45	0
46	40320
47	2570400
48	13068000
49	22377600
50	20018880
51	11430720
52	4656960
53	1451520
54	362880

[1, 0, 1, 0, 1, 2, 0, 2, 6, 6, 0, 6, 28, 36, 24, 0, 24, 180, 300, 240, 120, 0, 120, 1488, 3240, 3120, 1800, 720, 0, 720, 15120, 43344, 50400, 33600, 15120, 5040, 0, 5040, 182880, 695520, 979776, 756000, 383040, 141120, 40320, 0, 40320, 2570400, 13068000, 22377600, 20018880, 11430720, 4656960, 1451520, 362880]

cp's OEIS Frontend

A156815 Triangle T(n, k) = n!*StirlingS2(n, k)/binomial(n, k), read by rows.

Table of values

List of values