A364509 - cp's OEIS frontend

A364509 Square array read by ascending antidiagonals: T(n,k) = (2k)!/k!^2 ( (2nk)! * ((n + 2)k)! )/( (nk)! * ((n + 1)*k)!^2 ) for n, k > = 0.

n	a(n)
0	1
1	1
2	4
3	1
4	6
5	36
6	1
7	16
8	90
9	400
10	1
11	50
12	784
13	1680
14	4900
15	1
16	168
17	8910
18	48400
19	34650
20	63504
21	1
22	588
23	113256
24	2011100
25	3312400
26	756756
27	853776
28	1
29	2112
30	1528436
31	96993024
32	503909070
33	240374016
34	17153136
35	11778624
36	1
37	7722
38	21395520
39	5056527000
40	92279796840
41	133954543800
42	18116083216

[1, 1, 4, 1, 6, 36, 1, 16, 90, 400, 1, 50, 784, 1680, 4900, 1, 168, 8910, 48400, 34650, 63504, 1, 588, 113256, 2011100, 3312400, 756756, 853776, 1, 2112, 1528436, 96993024, 503909070, 240374016, 17153136, 11778624, 1, 7722, 21395520, 5056527000, 92279796840, 133954543800, 18116083216]

cp's OEIS Frontend

A364509 Square array read by ascending antidiagonals: T(n,k) = (2k)!/k!^2 ( (2nk)! * ((n + 2)k)! )/( (nk)! * ((n + 1)*k)!^2 ) for n, k > = 0.

Table of values

List of values

cp's OEIS Frontend

A364509 Square array read by ascending antidiagonals: T(n,k) = (2*k)!/k!^2 * ( (2*n*k)! * ((n + 2)*k)! )/( (n*k)! * ((n + 1)*k)!^2 ) for n, k > = 0.

Table of values

List of values

A364509 Square array read by ascending antidiagonals: T(n,k) = (2k)!/k!^2 ( (2nk)! * ((n + 2)k)! )/( (nk)! * ((n + 1)*k)!^2 ) for n, k > = 0.