A361893 - cp's OEIS frontend

A361893 Triangle read by rows. T(n, k) = n! * binomial(n - 1, k - 1) / (n - k)!.

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	2
6	0
7	3
8	12
9	6
10	0
11	4
12	36
13	72
14	24
15	0
16	5
17	80
18	360
19	480
20	120
21	0
22	6
23	150
24	1200
25	3600
26	3600
27	720
28	0
29	7
30	252
31	3150
32	16800
33	37800
34	30240
35	5040
36	0
37	8
38	392
39	7056
40	58800
41	235200
42	423360
43	282240
44	40320
45	0
46	9
47	576
48	14112
49	169344
50	1058400
51	3386880
52	5080320
53	2903040
54	362880

[1, 0, 1, 0, 2, 2, 0, 3, 12, 6, 0, 4, 36, 72, 24, 0, 5, 80, 360, 480, 120, 0, 6, 150, 1200, 3600, 3600, 720, 0, 7, 252, 3150, 16800, 37800, 30240, 5040, 0, 8, 392, 7056, 58800, 235200, 423360, 282240, 40320, 0, 9, 576, 14112, 169344, 1058400, 3386880, 5080320, 2903040, 362880]

cp's OEIS Frontend

A361893 Triangle read by rows. T(n, k) = n! * binomial(n - 1, k - 1) / (n - k)!.

Table of values

List of values