A130469 - cp's OEIS frontend

A130469 Triangular array read by rows: T(j,k) = k*(j-k)! for k < j, T(j,k) = 1 for k = j; 1 <= k <= j.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	6
8	4
9	3
10	1
11	24
12	12
13	6
14	4
15	1
16	120
17	48
18	18
19	8
20	5
21	1
22	720
23	240
24	72
25	24
26	10
27	6
28	1
29	5040
30	1440
31	360
32	96
33	30
34	12
35	7
36	1
37	40320
38	10080
39	2160
40	480
41	120
42	36
43	14
44	8
45	1
46	362880
47	80640
48	15120
49	2880
50	600
51	144
52	42
53	16
54	9
55	1
56	3628800
57	725760
58	120960
59	20160
60	3600

[1, 1, 1, 2, 2, 1, 6, 4, 3, 1, 24, 12, 6, 4, 1, 120, 48, 18, 8, 5, 1, 720, 240, 72, 24, 10, 6, 1, 5040, 1440, 360, 96, 30, 12, 7, 1, 40320, 10080, 2160, 480, 120, 36, 14, 8, 1, 362880, 80640, 15120, 2880, 600, 144, 42, 16, 9, 1, 3628800, 725760, 120960, 20160, 3600]

cp's OEIS Frontend

A130469 Triangular array read by rows: T(j,k) = k*(j-k)! for k < j, T(j,k) = 1 for k = j; 1 <= k <= j.

Table of values

List of values