A015569 - OEIS

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A015569 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	-1
13	0
14	0
15	0
16	-1
17	0
18	0
19	0
20	-1
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	1
29	0
30	0
31	0
32	1
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	-1
53	0
54	0
55	0
56	-1
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	1
65	0
66	0
67	0
68	1
69	0
70	0
71	0
72	1
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	-1

[1,0,0,0,1,0,0,0,0,0,0,0,-1,0,0,0,-1,0,0,0,-1,0,0, 0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,-1,0,0,0,-1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0, 1,0,0,0,0,0,0,0,-1]

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	-1
13	0
14	0
15	0
16	-1
17	0
18	0
19	0
20	-1
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	1
29	0
30	0
31	0
32	1
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	-1
53	0
54	0
55	0
56	-1
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	1
65	0
66	0
67	0
68	1
69	0
70	0
71	0
72	1
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	-1

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	-1
13	0
14	0
15	0
16	-1
17	0
18	0
19	0
20	-1
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	1
29	0
30	0
31	0
32	1
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	-1
53	0
54	0
55	0
56	-1
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	1
65	0
66	0
67	0
68	1
69	0
70	0
71	0
72	1
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	-1

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	-1
13	0
14	0
15	0
16	-1
17	0
18	0
19	0
20	-1
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	1
29	0
30	0
31	0
32	1
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	-1
53	0
54	0
55	0
56	-1
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	1
65	0
66	0
67	0
68	1
69	0
70	0
71	0
72	1
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	-1