A337085 - OEIS

A337085 as a simple table

n	a(n)
0	1
1	0
2	2
3	0
4	1
5	5
6	0
7	1
8	4
9	16
10	0
11	1
12	6
13	15
14	65
15	0
16	1
17	10
18	27
19	64
20	326
21	0
22	1
23	18
24	57
25	124
26	325
27	1957
28	0
29	1
30	34
31	135
32	292
33	645
34	1956
35	13700
36	0
37	1
38	66
39	345
40	796
41	1585
42	3906
43	13699
44	109601
45	0
46	1
47	130
48	927
49	2404
50	4605
51	9726
52	27391
53	109600
54	986410
55	0
56	1
57	258
58	2577
59	7804
60	15145
61	28926
62	68425
63	219192
64	986409
65	9864101

[1,0,2,0,1,5,0,1,4,16,0,1,6,15,65,0,1,10,27,64, 326,0,1,18,57,124,325,1957,0,1,34,135,292,645, 1956,13700,0,1,66,345,796,1585,3906,13699,109601, 0,1,130,927,2404,4605,9726,27391,109600,986410,0, 1,258,2577,7804,15145,28926,68425,219192,986409, 9864101]