A255484 - OEIS

A255484 as a simple table

n	a(n)
0	2
1	6
2	0
3	210
4	0
5	0
6	0
7	9699690
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	32589158477190044730
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	525896479052627740771371797072411912900610967452630
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0

[2,6,0,210,0,0,0,9699690,0,0,0,0,0,0,0, 32589158477190044730,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0, 52589647905262774077137179707241191290061096745263\ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]