A349915 - cp's OEIS frontend

A349915 Dirichlet inverse of A113415, where A113415 is the arithmetic mean between the number and sum of the odd divisors of n.

n	a(n)
1	1
2	-1
3	-3
4	0
5	-4
6	3
7	-5
8	0
9	1
10	4
11	-7
12	0
13	-8
14	5
15	10
16	0
17	-10
18	-1
19	-11
20	0
21	12
22	7
23	-13
24	0
25	-1
26	8
27	-1
28	0
29	-16
30	-10
31	-17
32	0
33	16
34	10
35	14
36	0
37	-20
38	11
39	18
40	0
41	-22
42	-12
43	-23
44	0
45	-2
46	13
47	-25
48	0
49	-5
50	1
51	22
52	0
53	-28
54	1
55	18
56	0
57	24
58	16
59	-31
60	0
61	-32
62	17
63	-2
64	0
65	20
66	-16
67	-35
68	0
69	28
70	-14
71	-37
72	0
73	-38
74	20
75	5
76	0
77	20
78	-18
79	-41
80	0
81	-2
82	22

[1, -1, -3, 0, -4, 3, -5, 0, 1, 4, -7, 0, -8, 5, 10, 0, -10, -1, -11, 0, 12, 7, -13, 0, -1, 8, -1, 0, -16, -10, -17, 0, 16, 10, 14, 0, -20, 11, 18, 0, -22, -12, -23, 0, -2, 13, -25, 0, -5, 1, 22, 0, -28, 1, 18, 0, 24, 16, -31, 0, -32, 17, -2, 0, 20, -16, -35, 0, 28, -14, -37, 0, -38, 20, 5, 0, 20, -18, -41, 0, -2, 22]

cp's OEIS Frontend

A349915 Dirichlet inverse of A113415, where A113415 is the arithmetic mean between the number and sum of the odd divisors of n.

Table of values

List of values

n	a(n)
1	1
2	-1
3	-3
4	0
5	-4
6	3
7	-5
8	0
9	1
10	4
11	-7
12	0
13	-8
14	5
15	10
16	0
17	-10
18	-1
19	-11
20	0
21	12
22	7
23	-13
24	0
25	-1
26	8
27	-1
28	0
29	-16
30	-10
31	-17
32	0
33	16
34	10
35	14
36	0
37	-20
38	11
39	18
40	0
41	-22
42	-12
43	-23
44	0
45	-2
46	13
47	-25
48	0
49	-5
50	1
51	22
52	0
53	-28
54	1
55	18
56	0
57	24
58	16
59	-31
60	0
61	-32
62	17
63	-2
64	0
65	20
66	-16
67	-35
68	0
69	28
70	-14
71	-37
72	0
73	-38
74	20
75	5
76	0
77	20
78	-18
79	-41
80	0
81	-2
82	22

n	a(n)
1	1
2	-1
3	-3
4	0
5	-4
6	3
7	-5
8	0
9	1
10	4
11	-7
12	0
13	-8
14	5
15	10
16	0
17	-10
18	-1
19	-11
20	0
21	12
22	7
23	-13
24	0
25	-1
26	8
27	-1
28	0
29	-16
30	-10
31	-17
32	0
33	16
34	10
35	14
36	0
37	-20
38	11
39	18
40	0
41	-22
42	-12
43	-23
44	0
45	-2
46	13
47	-25
48	0
49	-5
50	1
51	22
52	0
53	-28
54	1
55	18
56	0
57	24
58	16
59	-31
60	0
61	-32
62	17
63	-2
64	0
65	20
66	-16
67	-35
68	0
69	28
70	-14
71	-37
72	0
73	-38
74	20
75	5
76	0
77	20
78	-18
79	-41
80	0
81	-2
82	22

n	a(n)
1	1
2	-1
3	-3
4	0
5	-4
6	3
7	-5
8	0
9	1
10	4
11	-7
12	0
13	-8
14	5
15	10
16	0
17	-10
18	-1
19	-11
20	0
21	12
22	7
23	-13
24	0
25	-1
26	8
27	-1
28	0
29	-16
30	-10
31	-17
32	0
33	16
34	10
35	14
36	0
37	-20
38	11
39	18
40	0
41	-22
42	-12
43	-23
44	0
45	-2
46	13
47	-25
48	0
49	-5
50	1
51	22
52	0
53	-28
54	1
55	18
56	0
57	24
58	16
59	-31
60	0
61	-32
62	17
63	-2
64	0
65	20
66	-16
67	-35
68	0
69	28
70	-14
71	-37
72	0
73	-38
74	20
75	5
76	0
77	20
78	-18
79	-41
80	0
81	-2
82	22