A078828 - OEIS

A078828 as a simple table

n	a(n)
0	1
1	1
2	2
3	3
4	2
5	10
6	6
7	63
8	2
9	2
10	20
11	330
12	6
13	390
14	126
15	1323
16	2
17	34
18	4
19	114
20	20
21	100
22	660
23	159390
24	6
25	6
26	780
27	12870
28	126
29	237510
30	2646
31	861273
32	2
33	2
34	68
35	102
36	4
37	740
38	228
39	2394
40	20
41	820
42	200
43	141900
44	660
45	42900
46	318780
47	157317930
48	6
49	102
50	12
51	342
52	780
53	206700

[1,1,2,3,2,10,6,63,2,2,20,330,6,390,126,1323,2,34, 4,114,20,100,660,159390,6,6,780,12870,126,237510, 2646,861273,2,2,68,102,4,740,228,2394,20,820,200, 141900,660,42900,318780,157317930,6,102,12,342, 780,206700]