A342128 - OEIS

A342128 as a simple table

n	a(n)
0	0
1	1
2	0
3	2
4	0
5	0
6	3
7	2
8	0
9	0
10	4
11	6
12	2
13	0
14	0
15	5
16	12
17	18
18	2
19	0
20	0
21	6
22	20
23	84
24	114
25	2
26	0
27	0
28	7
29	30
30	260
31	2652
32	2970
33	2
34	0
35	0
36	8
37	42
38	630
39	29660
40	1321860
41	1185282
42	2
43	0
44	0
45	9
46	56
47	1302
48	198030
49	187430900
50	130253748108
51	100301050602
52	2
53	0
54	0
55	10
56	72
57	2408
58	932862
59	10199069190
60	2157531034816940

[0,1,0,2,0,0,3,2,0,0,4,6,2,0,0,5,12,18,2,0,0,6,20, 84,114,2,0,0,7,30,260,2652,2970,2,0,0,8,42,630, 29660,1321860,1185282,2,0,0,9,56,1302,198030, 187430900,130253748108,100301050602,2,0,0,10,72, 2408,932862,10199069190,2157531034816940]