A051715 - cp's OEIS frontend

A051715 Denominators of table a(n,k) read by antidiagonals: a(0,k) = 1/(k+1), a(n+1,k) = (k+1)(a(n,k)-a(n,k+1)), n >= 0, k >= 0.

n	a(n)
0	1
1	2
2	2
3	3
4	3
5	6
6	4
7	4
8	6
9	1
10	5
11	5
12	20
13	30
14	30
15	6
16	6
17	15
18	20
19	30
20	1
21	7
22	7
23	42
24	35
25	140
26	42
27	42
28	8
29	8
30	28
31	84
32	105
33	28
34	42
35	1
36	9
37	9
38	72
39	84
40	1
41	105
42	140
43	30
44	30
45	10
46	10
47	45
48	120
49	140
50	28
51	105
52	20
53	30
54	1
55	11
56	11
57	110
58	495
59	3960
60	924
61	231
62	165
63	220
64	66
65	66
66	12
67	12
68	66
69	55
70	495
71	264
72	308
73	132
74	165
75	44
76	66
77	1

[1, 2, 2, 3, 3, 6, 4, 4, 6, 1, 5, 5, 20, 30, 30, 6, 6, 15, 20, 30, 1, 7, 7, 42, 35, 140, 42, 42, 8, 8, 28, 84, 105, 28, 42, 1, 9, 9, 72, 84, 1, 105, 140, 30, 30, 10, 10, 45, 120, 140, 28, 105, 20, 30, 1, 11, 11, 110, 495, 3960, 924, 231, 165, 220, 66, 66, 12, 12, 66, 55, 495, 264, 308, 132, 165, 44, 66, 1]

cp's OEIS Frontend

A051715 Denominators of table a(n,k) read by antidiagonals: a(0,k) = 1/(k+1), a(n+1,k) = (k+1)(a(n,k)-a(n,k+1)), n >= 0, k >= 0.

Table of values

List of values