A370073 - OEIS

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A370073 as a simple table

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	4
10	1
11	0
12	1
13	7
14	12
15	1
16	0
17	1
18	10
19	53
20	47
21	1
22	0
23	1
24	14
25	139
26	474
27	224
28	1
29	0
30	1
31	18
32	304
33	2500
34	6670
35	1623
36	1

[1,0,1,0,1,1,0,1,4,1,0,1,7,12,1,0,1,10,53,47,1,0, 1,14,139,474,224,1,0,1,18,304,2500,6670,1623,1]