A251552 - cp's OEIS frontend

A251552 a(n) = (A251551(n)-1)/2.

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

[-1, 0, -1, 0, 0, 0, 0, 0, -1, 1, 1, 1, 1, 1, -1, 3, 3, 3, 3, 3, 3, 2, 0, 0, 0, 0, 0, 0, 0, -1, 2, 2, 5, 5, 5, 5, 5, 5, 9, 9, 10, 10, 8, 8, 8, 8, 8, 11, 11, 11, 8, 8, 8, 8, 8, 12, 12, 12, 12, 12, 11, 8, 8, 8, 8, 8, 8, 8]

cp's OEIS Frontend

A251552 a(n) = (A251551(n)-1)/2.

Table of values

List of values

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

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

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