A354348 - cp's OEIS frontend

A354348 Dirichlet inverse of function f(1) = 1, f(n) = gcd(A003415(n), A276086(n)) for n > 1.

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

[1, -1, -1, 0, -1, -3, -1, -2, -5, 1, -1, 8, -1, -1, 0, 4, -1, 18, -1, -2, -8, 1, -1, 0, -9, -13, 8, 4, -1, 9, -1, -2, -12, 1, -4, -9, -1, -19, 0, 8, -1, 29, -1, -2, 10, -23, -1, 2, -13, 4, -8, 22, -1, 20, 0, 2, 0, 1, -1, -13, -1, -1, 26, 2, -16, 33, -1, -2, 0, 13, -1, -14, -1, -1, 16, 36, -16, 37, -1, -10, 19, 1]

cp's OEIS Frontend

A354348 Dirichlet inverse of function f(1) = 1, f(n) = gcd(A003415(n), A276086(n)) for n > 1.

Table of values

List of values

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

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

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