A361948 - cp's OEIS frontend

A361948 Array read by ascending antidiagonals. A(n, k) = Product_{j=0..k-1} binomial((j + 1)*n - 1, n - 1) if n >= 1, and A(0, k) = 1 for all k.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	3
13	1
14	1
15	1
16	1
17	10
18	15
19	1
20	1
21	1
22	1
23	35
24	280
25	105
26	1
27	1
28	1
29	1
30	126
31	5775
32	15400
33	945
34	1
35	1
36	1
37	1
38	462
39	126126
40	2627625
41	1401400
42	10395
43	1
44	1
45	1
46	1
47	1716
48	2858856
49	488864376
50	2546168625
51	190590400
52	135135
53	1
54	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 10, 15, 1, 1, 1, 1, 35, 280, 105, 1, 1, 1, 1, 126, 5775, 15400, 945, 1, 1, 1, 1, 462, 126126, 2627625, 1401400, 10395, 1, 1, 1, 1, 1716, 2858856, 488864376, 2546168625, 190590400, 135135, 1, 1]

cp's OEIS Frontend

A361948 Array read by ascending antidiagonals. A(n, k) = Product_{j=0..k-1} binomial((j + 1)*n - 1, n - 1) if n >= 1, and A(0, k) = 1 for all k.

Table of values

List of values