A097407 - OEIS

A097407 as a simple table

n	a(n)
1	0
2	1
3	2
4	1
5	6
6	0
7	18
8	2
9	8
10	1
11	8
12	1
13	630
14	3
15	10
16	16
17	7710
18	1
19	27594
20	2
21	16
22	31
23	7760
24	10
25	72
26	105
27	9728
28	4
29	72
30	11
31	69273666
32	2048
33	18166
34	1285
35	3512
36	3
37	16657248
38	4599
39	3112
40	1542
41	4012472
42	129
43	48834
44	48
45	518
46	60787
47	282224
48	14
49	90462791808
50	81
51	218
52	31

[0,1,2,1,6,0,18,2,8,1,8,1,630,3,10,16,7710,1, 27594,2,16,31,7760,10,72,105,9728,4,72,11, 69273666,2048,18166,1285,3512,3,16657248,4599, 3112,1542,4012472,129,48834,48,518,60787,282224, 14,90462791808,81,218,31]