A378756 - cp's OEIS frontend

A378756 Dirichlet convolution of A046692 and A005187, where A046692 is the Dirichlet inverse of sigma.

n	a(n)
1	1
2	0
3	0
4	0
5	2
6	-2
7	3
8	0
9	3
10	-6
11	7
12	0
13	9
14	-8
15	-6
16	0
17	14
18	-6
19	15
20	0
21	-5
22	-16
23	18
24	0
25	4
26	-20
27	-2
28	0
29	24
30	14
31	25
32	0
33	-12
34	-30
35	-15
36	0
37	33
38	-32
39	-18
40	0
41	37
42	12
43	38
44	0
45	-12
46	-38
47	41
48	0
49	14
50	-8
51	-30
52	0
53	48
54	4
55	-33
56	0
57	-30
58	-50
59	53
60	0
61	55
62	-52
63	-27
64	0
65	-38
66	26
67	63
68	0
69	-33
70	32
71	66
72	0
73	69
74	-68
75	-6
76	0
77	-38
78	38
79	73
80	0
81	7
82	-76
83	78

[1, 0, 0, 0, 2, -2, 3, 0, 3, -6, 7, 0, 9, -8, -6, 0, 14, -6, 15, 0, -5, -16, 18, 0, 4, -20, -2, 0, 24, 14, 25, 0, -12, -30, -15, 0, 33, -32, -18, 0, 37, 12, 38, 0, -12, -38, 41, 0, 14, -8, -30, 0, 48, 4, -33, 0, -30, -50, 53, 0, 55, -52, -27, 0, -38, 26, 63, 0, -33, 32, 66, 0, 69, -68, -6, 0, -38, 38, 73, 0, 7, -76, 78]

cp's OEIS Frontend

A378756 Dirichlet convolution of A046692 and A005187, where A046692 is the Dirichlet inverse of sigma.

Table of values

List of values

n	a(n)
1	1
2	0
3	0
4	0
5	2
6	-2
7	3
8	0
9	3
10	-6
11	7
12	0
13	9
14	-8
15	-6
16	0
17	14
18	-6
19	15
20	0
21	-5
22	-16
23	18
24	0
25	4
26	-20
27	-2
28	0
29	24
30	14
31	25
32	0
33	-12
34	-30
35	-15
36	0
37	33
38	-32
39	-18
40	0
41	37
42	12
43	38
44	0
45	-12
46	-38
47	41
48	0
49	14
50	-8
51	-30
52	0
53	48
54	4
55	-33
56	0
57	-30
58	-50
59	53
60	0
61	55
62	-52
63	-27
64	0
65	-38
66	26
67	63
68	0
69	-33
70	32
71	66
72	0
73	69
74	-68
75	-6
76	0
77	-38
78	38
79	73
80	0
81	7
82	-76
83	78

n	a(n)
1	1
2	0
3	0
4	0
5	2
6	-2
7	3
8	0
9	3
10	-6
11	7
12	0
13	9
14	-8
15	-6
16	0
17	14
18	-6
19	15
20	0
21	-5
22	-16
23	18
24	0
25	4
26	-20
27	-2
28	0
29	24
30	14
31	25
32	0
33	-12
34	-30
35	-15
36	0
37	33
38	-32
39	-18
40	0
41	37
42	12
43	38
44	0
45	-12
46	-38
47	41
48	0
49	14
50	-8
51	-30
52	0
53	48
54	4
55	-33
56	0
57	-30
58	-50
59	53
60	0
61	55
62	-52
63	-27
64	0
65	-38
66	26
67	63
68	0
69	-33
70	32
71	66
72	0
73	69
74	-68
75	-6
76	0
77	-38
78	38
79	73
80	0
81	7
82	-76
83	78

n	a(n)
1	1
2	0
3	0
4	0
5	2
6	-2
7	3
8	0
9	3
10	-6
11	7
12	0
13	9
14	-8
15	-6
16	0
17	14
18	-6
19	15
20	0
21	-5
22	-16
23	18
24	0
25	4
26	-20
27	-2
28	0
29	24
30	14
31	25
32	0
33	-12
34	-30
35	-15
36	0
37	33
38	-32
39	-18
40	0
41	37
42	12
43	38
44	0
45	-12
46	-38
47	41
48	0
49	14
50	-8
51	-30
52	0
53	48
54	4
55	-33
56	0
57	-30
58	-50
59	53
60	0
61	55
62	-52
63	-27
64	0
65	-38
66	26
67	63
68	0
69	-33
70	32
71	66
72	0
73	69
74	-68
75	-6
76	0
77	-38
78	38
79	73
80	0
81	7
82	-76
83	78