A011639 - OEIS

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A011639 as a simple table

n	a(n)
0	1
1	-1
2	0
3	0
4	0
5	1
6	-1
7	0
8	0
9	0
10	1
11	-1
12	0
13	1
14	-1
15	1
16	-1
17	0
18	1
19	-1
20	1
21	-1
22	0
23	1
24	-1
25	1
26	0
27	-1
28	1
29	-1
30	1
31	0
32	-1
33	1
34	-1
35	1
36	0
37	-1
38	1
39	0
40	0
41	0
42	-1
43	1
44	0
45	0
46	0
47	-1
48	1

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

n	a(n)
0	1
1	-1
2	0
3	0
4	0
5	1
6	-1
7	0
8	0
9	0
10	1
11	-1
12	0
13	1
14	-1
15	1
16	-1
17	0
18	1
19	-1
20	1
21	-1
22	0
23	1
24	-1
25	1
26	0
27	-1
28	1
29	-1
30	1
31	0
32	-1
33	1
34	-1
35	1
36	0
37	-1
38	1
39	0
40	0
41	0
42	-1
43	1
44	0
45	0
46	0
47	-1
48	1

n	a(n)
0	1
1	-1
2	0
3	0
4	0
5	1
6	-1
7	0
8	0
9	0
10	1
11	-1
12	0
13	1
14	-1
15	1
16	-1
17	0
18	1
19	-1
20	1
21	-1
22	0
23	1
24	-1
25	1
26	0
27	-1
28	1
29	-1
30	1
31	0
32	-1
33	1
34	-1
35	1
36	0
37	-1
38	1
39	0
40	0
41	0
42	-1
43	1
44	0
45	0
46	0
47	-1
48	1

n	a(n)
0	1
1	-1
2	0
3	0
4	0
5	1
6	-1
7	0
8	0
9	0
10	1
11	-1
12	0
13	1
14	-1
15	1
16	-1
17	0
18	1
19	-1
20	1
21	-1
22	0
23	1
24	-1
25	1
26	0
27	-1
28	1
29	-1
30	1
31	0
32	-1
33	1
34	-1
35	1
36	0
37	-1
38	1
39	0
40	0
41	0
42	-1
43	1
44	0
45	0
46	0
47	-1
48	1