A330609 - cp's OEIS frontend

A330609 T(n, k) = binomial(n-k-1, k-1)*(n-k)!/k! for n >= 0 and 0 <= k <= floor(n/2). Irregular triangle read by rows.

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	2
6	0
7	6
8	1
9	0
10	24
11	6
12	0
13	120
14	36
15	1
16	0
17	720
18	240
19	12
20	0
21	5040
22	1800
23	120
24	1
25	0
26	40320
27	15120
28	1200
29	20
30	0
31	362880
32	141120
33	12600
34	300
35	1
36	0
37	3628800
38	1451520
39	141120
40	4200
41	30
42	0
43	39916800
44	16329600
45	1693440
46	58800
47	630
48	1

[1, 0, 0, 1, 0, 2, 0, 6, 1, 0, 24, 6, 0, 120, 36, 1, 0, 720, 240, 12, 0, 5040, 1800, 120, 1, 0, 40320, 15120, 1200, 20, 0, 362880, 141120, 12600, 300, 1, 0, 3628800, 1451520, 141120, 4200, 30, 0, 39916800, 16329600, 1693440, 58800, 630, 1]

cp's OEIS Frontend

A330609 T(n, k) = binomial(n-k-1, k-1)*(n-k)!/k! for n >= 0 and 0 <= k <= floor(n/2). Irregular triangle read by rows.

Table of values

List of values