A378236 - OEIS

A378236 as a simple table

n	a(n)
0	1
1	1
2	0
3	1
4	2
5	0
6	1
7	4
8	8
9	0
10	1
11	6
12	20
13	44
14	0
15	1
16	8
17	36
18	120
19	280
20	0
21	1
22	10
23	56
24	236
25	800
26	1936
27	0
28	1
29	12
30	80
31	400
32	1656
33	5696
34	14128
35	0
36	1
37	14
38	108
39	620
40	2960
41	12192
42	42416
43	107088
44	0
45	1
46	16
47	140
48	904
49	4840
50	22592
51	92960
52	326304
53	834912
54	0
55	1
56	18
57	176
58	1260
59	7440
60	38352
61	176800
62	727824
63	2572992
64	6652608
65	0

[1,1,0,1,2,0,1,4,8,0,1,6,20,44,0,1,8,36,120,280,0, 1,10,56,236,800,1936,0,1,12,80,400,1656,5696, 14128,0,1,14,108,620,2960,12192,42416,107088,0,1, 16,140,904,4840,22592,92960,326304,834912,0,1,18, 176,1260,7440,38352,176800,727824,2572992,6652608, 0]