A145580 - OEIS

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A145580 as a simple table

n	a(n)
1	1
2	1
3	1
4	0
5	1
6	2
7	-1
8	0
9	2
10	3
11	0
12	-1
13	0
14	3
15	4
16	1
17	0
18	-2
19	0
20	4
21	6
22	0
23	1
24	0
25	-3
26	0
27	6
28	9
29	-1
30	0
31	2
32	0
33	-4
34	0
35	9
36	13
37	0
38	-1
39	0
40	3
41	0
42	-6
43	0
44	13
45	19
46	1
47	0
48	-2
49	0
50	4
51	0
52	-9
53	0
54	19
55	28

[1,1,1,0,1,2,-1,0,2,3,0,-1,0,3,4,1,0,-2,0,4,6,0,1, 0,-3,0,6,9,-1,0,2,0,-4,0,9,13,0,-1,0,3,0,-6,0,13, 19,1,0,-2,0,4,0,-9,0,19,28]

n	a(n)
1	1
2	1
3	1
4	0
5	1
6	2
7	-1
8	0
9	2
10	3
11	0
12	-1
13	0
14	3
15	4
16	1
17	0
18	-2
19	0
20	4
21	6
22	0
23	1
24	0
25	-3
26	0
27	6
28	9
29	-1
30	0
31	2
32	0
33	-4
34	0
35	9
36	13
37	0
38	-1
39	0
40	3
41	0
42	-6
43	0
44	13
45	19
46	1
47	0
48	-2
49	0
50	4
51	0
52	-9
53	0
54	19
55	28

n	a(n)
1	1
2	1
3	1
4	0
5	1
6	2
7	-1
8	0
9	2
10	3
11	0
12	-1
13	0
14	3
15	4
16	1
17	0
18	-2
19	0
20	4
21	6
22	0
23	1
24	0
25	-3
26	0
27	6
28	9
29	-1
30	0
31	2
32	0
33	-4
34	0
35	9
36	13
37	0
38	-1
39	0
40	3
41	0
42	-6
43	0
44	13
45	19
46	1
47	0
48	-2
49	0
50	4
51	0
52	-9
53	0
54	19
55	28

n	a(n)
1	1
2	1
3	1
4	0
5	1
6	2
7	-1
8	0
9	2
10	3
11	0
12	-1
13	0
14	3
15	4
16	1
17	0
18	-2
19	0
20	4
21	6
22	0
23	1
24	0
25	-3
26	0
27	6
28	9
29	-1
30	0
31	2
32	0
33	-4
34	0
35	9
36	13
37	0
38	-1
39	0
40	3
41	0
42	-6
43	0
44	13
45	19
46	1
47	0
48	-2
49	0
50	4
51	0
52	-9
53	0
54	19
55	28