A378237 - OEIS

A378237 as a simple table

n	a(n)
0	1
1	1
2	0
3	1
4	2
5	0
6	1
7	4
8	10
9	0
10	1
11	6
12	24
13	74
14	0
15	1
16	8
17	42
18	188
19	642
20	0
21	1
22	10
23	64
24	350
25	1680
26	6082
27	0
28	1
29	12
30	90
31	568
32	3234
33	16212
34	60970
35	0
36	1
37	14
38	120
39	850
40	5440
41	31878
42	164584
43	635818
44	0
45	1
46	16
47	154
48	1204
49	8450
50	54888
51	328426
52	1732172
53	6826690
54	0
55	1
56	18
57	192
58	1638
59	12432
60	87402
61	574848
62	3494142
63	18728352
64	74958914
65	0

[1,1,0,1,2,0,1,4,10,0,1,6,24,74,0,1,8,42,188,642, 0,1,10,64,350,1680,6082,0,1,12,90,568,3234,16212, 60970,0,1,14,120,850,5440,31878,164584,635818,0,1, 16,154,1204,8450,54888,328426,1732172,6826690,0,1, 18,192,1638,12432,87402,574848,3494142,18728352, 74958914,0]