A370890 - cp's OEIS frontend

A370890 A(n, k) = 2^n*Pochhammer(k/2, floor((n+1)/2)). Square array read by ascending antidiagonals.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	1
10	0
11	6
12	4
13	3
14	1
15	0
16	12
17	16
18	6
19	4
20	1
21	0
22	60
23	32
24	30
25	8
26	5
27	1
28	0
29	120
30	192
31	60
32	48
33	10
34	6
35	1
36	0
37	840
38	384
39	420
40	96
41	70
42	12
43	7
44	1
45	0
46	1680
47	3072
48	840
49	768
50	140
51	96
52	14
53	8
54	1
55	0
56	15120
57	6144
58	7560
59	1536
60	1260
61	192
62	126
63	16
64	9
65	1

[1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 6, 4, 3, 1, 0, 12, 16, 6, 4, 1, 0, 60, 32, 30, 8, 5, 1, 0, 120, 192, 60, 48, 10, 6, 1, 0, 840, 384, 420, 96, 70, 12, 7, 1, 0, 1680, 3072, 840, 768, 140, 96, 14, 8, 1, 0, 15120, 6144, 7560, 1536, 1260, 192, 126, 16, 9, 1]

cp's OEIS Frontend

A370890 A(n, k) = 2^n*Pochhammer(k/2, floor((n+1)/2)). Square array read by ascending antidiagonals.

Table of values

List of values