A322128 - cp's OEIS frontend

A322128 Triangular array, read by rows: T(n,k) = denominator of binomial(n-1, n-k)/k!, 1 <= k <= n.

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	6
7	1
8	2
9	2
10	24
11	1
12	1
13	1
14	6
15	120
16	1
17	2
18	3
19	12
20	24
21	720
22	1
23	1
24	2
25	6
26	8
27	120
28	5040
29	1
30	2
31	2
32	24
33	24
34	240
35	720
36	40320
37	1
38	1
39	3
40	3
41	12
42	90
43	180
44	5040
45	362880
46	1
47	2
48	1
49	2
50	20
51	40
52	60
53	1120
54	40320
55	3628800
56	1
57	1
58	2
59	1
60	4
61	20
62	24
63	336
64	8064
65	362880
66	39916800

[1, 1, 2, 1, 1, 6, 1, 2, 2, 24, 1, 1, 1, 6, 120, 1, 2, 3, 12, 24, 720, 1, 1, 2, 6, 8, 120, 5040, 1, 2, 2, 24, 24, 240, 720, 40320, 1, 1, 3, 3, 12, 90, 180, 5040, 362880, 1, 2, 1, 2, 20, 40, 60, 1120, 40320, 3628800, 1, 1, 2, 1, 4, 20, 24, 336, 8064, 362880, 39916800]

cp's OEIS Frontend

A322128 Triangular array, read by rows: T(n,k) = denominator of binomial(n-1, n-k)/k!, 1 <= k <= n.

Table of values

List of values