A320354 - cp's OEIS frontend

A320354 Square array A(n,k), n >= 0, k >= 1, read by antidiagonals: A(n,k) = Product_{j=1..n} (k^j - 1).

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	3
9	0
10	1
11	3
12	16
13	21
14	0
15	1
16	4
17	45
18	416
19	315
20	0
21	1
22	5
23	96
24	2835
25	33280
26	9765
27	0
28	1
29	6
30	175
31	11904
32	722925
33	8053760
34	615195
35	0
36	1
37	7
38	288
39	37625
40	7428096
41	739552275
42	5863137280
43	78129765
44	0
45	1
46	8
47	441
48	98496
49	48724375
50	23205371904
51	3028466566125
52	12816818094080
53	19923090075
54	0

[1, 1, 0, 1, 1, 0, 1, 2, 3, 0, 1, 3, 16, 21, 0, 1, 4, 45, 416, 315, 0, 1, 5, 96, 2835, 33280, 9765, 0, 1, 6, 175, 11904, 722925, 8053760, 615195, 0, 1, 7, 288, 37625, 7428096, 739552275, 5863137280, 78129765, 0, 1, 8, 441, 98496, 48724375, 23205371904, 3028466566125, 12816818094080, 19923090075, 0]

cp's OEIS Frontend

A320354 Square array A(n,k), n >= 0, k >= 1, read by antidiagonals: A(n,k) = Product_{j=1..n} (k^j - 1).

Table of values

List of values