A285779 - cp's OEIS frontend

A285779 Parity index: number of integers z with 1 <= z <= n for which A010060(z) = A010060(n), negated if A010060(n) = 1.

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

[0, -1, -2, 1, -3, 2, 3, -4, -5, 4, 5, -6, 6, -7, -8, 7, -9, 8, 9, -10, 10, -11, -12, 11, 12, -13, -14, 13, -15, 14, 15, -16, -17, 16, 17, -18, 18, -19, -20, 19, 20, -21, -22, 21, -23, 22, 23, -24, 24, -25, -26, 25, -27, 26, 27, -28, -29, 28, 29, -30, 30, -31, -32, 31, -33, 32, 33, -34, 34, -35, -36, 35, 36]

cp's OEIS Frontend

A285779 Parity index: number of integers z with 1 <= z <= n for which A010060(z) = A010060(n), negated if A010060(n) = 1.

Table of values

List of values

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

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

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