A111492 - cp's OEIS frontend

A111492 Triangle read by rows: a(n,k) = (k-1)! * C(n,k).

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	2
7	4
8	6
9	8
10	6
11	5
12	10
13	20
14	30
15	24
16	6
17	15
18	40
19	90
20	144
21	120
22	7
23	21
24	70
25	210
26	504
27	840
28	720
29	8
30	28
31	112
32	420
33	1344
34	3360
35	5760
36	5040
37	9
38	36
39	168
40	756
41	3024
42	10080
43	25920
44	45360
45	40320
46	10
47	45
48	240
49	1260
50	6048
51	25200
52	86400
53	226800
54	403200
55	362880

[1, 2, 1, 3, 3, 2, 4, 6, 8, 6, 5, 10, 20, 30, 24, 6, 15, 40, 90, 144, 120, 7, 21, 70, 210, 504, 840, 720, 8, 28, 112, 420, 1344, 3360, 5760, 5040, 9, 36, 168, 756, 3024, 10080, 25920, 45360, 40320, 10, 45, 240, 1260, 6048, 25200, 86400, 226800, 403200, 362880]

cp's OEIS Frontend

A111492 Triangle read by rows: a(n,k) = (k-1)! * C(n,k).

Table of values

List of values