A297622 - OEIS

A297622 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	3
8	7
9	7
10	1
11	4
12	16
13	42
14	42
15	1
16	5
17	30
18	149
19	429
20	429
21	1
22	6
23	50
24	406
25	2394
26	7436
27	7436
28	1
29	7
30	77
31	938
32	9698
33	65910
34	218348
35	218348
36	1
37	8
38	112
39	1932
40	31920
41	403572
42	3096496
43	10850216
44	10850216
45	1
46	9
47	156
48	3654
49	90576
50	1931325
51	29020904
52	247587252
53	911835460
54	911835460

[1,1,1,1,2,2,1,3,7,7,1,4,16,42,42,1,5,30,149,429, 429,1,6,50,406,2394,7436,7436,1,7,77,938,9698, 65910,218348,218348,1,8,112,1932,31920,403572, 3096496,10850216,10850216,1,9,156,3654,90576, 1931325,29020904,247587252,911835460,911835460]