A370319 - OEIS

A370319 as a simple table

n	a(n)
0	1
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	3
9	4
10	1
11	0
12	6
13	16
14	41
15	1
16	0
17	10
18	40
19	205
20	768
21	1
22	0
23	15
24	80
25	615
26	4608
27	27449
28	1
29	0
30	21
31	140
32	1435
33	16128
34	192143
35	1887284
36	1
37	0
38	28
39	224
40	2870
41	43008
42	768572
43	15098272
44	252522481
45	1
46	0
47	36
48	336
49	5166
50	96768
51	2305716
52	67942224
53	2272702329
54	66376424160

[1,1,0,1,0,1,1,0,3,4,1,0,6,16,41,1,0,10,40,205, 768,1,0,15,80,615,4608,27449,1,0,21,140,1435, 16128,192143,1887284,1,0,28,224,2870,43008,768572, 15098272,252522481,1,0,36,336,5166,96768,2305716, 67942224,2272702329,66376424160]