A380631 - OEIS

A380631 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	0
6	1
7	0
8	1
9	0
10	1
11	1
12	0
13	1
14	1
15	0
16	1
17	2
18	0
19	1
20	2
21	2
22	0
23	1
24	3
25	5
26	0
27	1
28	3
29	10
30	0
31	1
32	4
33	17
34	6
35	0
36	1
37	4
38	26
39	18
40	0
41	1
42	5
43	38
44	51
45	0
46	1
47	5
48	52
49	106
50	18
51	0
52	1
53	6
54	70
55	205
56	87
57	0
58	1
59	6
60	90
61	350
62	286
63	0
64	1
65	7
66	115
67	579
68	741
69	66
70	0
71	1
72	7
73	142
74	887
75	1660
76	406

[1,0,0,0,1,0,1,0,1,0,1,1,0,1,1,0,1,2,0,1,2,2,0,1, 3,5,0,1,3,10,0,1,4,17,6,0,1,4,26,18,0,1,5,38,51,0, 1,5,52,106,18,0,1,6,70,205,87,0,1,6,90,350,286,0, 1,7,115,579,741,66,0,1,7,142,887,1660,406]