A355693 - cp's OEIS frontend

A355693 Dirichlet inverse of A330749, gcd(n, A064989(n)), where A064989 shifts the prime factorization one step towards lower primes.

n	a(n)
1	1
2	-1
3	-1
4	0
5	-1
6	0
7	-1
8	0
9	0
10	1
11	-1
12	1
13	-1
14	1
15	-1
16	0
17	-1
18	1
19	-1
20	0
21	1
22	1
23	-1
24	0
25	0
26	1
27	0
28	0
29	-1
30	0
31	-1
32	0
33	1
34	1
35	-3
36	-2
37	-1
38	1
39	1
40	0
41	-1
42	0
43	-1
44	0
45	2
46	1
47	-1
48	0
49	0
50	0
51	1
52	0
53	-1
54	0
55	1
56	0
57	1
58	1
59	-1
60	1
61	-1
62	1
63	0
64	0
65	1
66	0
67	-1
68	0
69	1
70	3
71	-1
72	1
73	-1
74	1
75	2
76	0
77	-5
78	0
79	-1
80	0
81	0
82	1
83	-1
84	-1
85	1
86	1
87	1
88	0
89	-1
90	3
91	1
92	0
93	1
94	1
95	1
96	0

[1, -1, -1, 0, -1, 0, -1, 0, 0, 1, -1, 1, -1, 1, -1, 0, -1, 1, -1, 0, 1, 1, -1, 0, 0, 1, 0, 0, -1, 0, -1, 0, 1, 1, -3, -2, -1, 1, 1, 0, -1, 0, -1, 0, 2, 1, -1, 0, 0, 0, 1, 0, -1, 0, 1, 0, 1, 1, -1, 1, -1, 1, 0, 0, 1, 0, -1, 0, 1, 3, -1, 1, -1, 1, 2, 0, -5, 0, -1, 0, 0, 1, -1, -1, 1, 1, 1, 0, -1, 3, 1, 0, 1, 1, 1, 0]

cp's OEIS Frontend

A355693 Dirichlet inverse of A330749, gcd(n, A064989(n)), where A064989 shifts the prime factorization one step towards lower primes.

Table of values

List of values

n	a(n)
1	1
2	-1
3	-1
4	0
5	-1
6	0
7	-1
8	0
9	0
10	1
11	-1
12	1
13	-1
14	1
15	-1
16	0
17	-1
18	1
19	-1
20	0
21	1
22	1
23	-1
24	0
25	0
26	1
27	0
28	0
29	-1
30	0
31	-1
32	0
33	1
34	1
35	-3
36	-2
37	-1
38	1
39	1
40	0
41	-1
42	0
43	-1
44	0
45	2
46	1
47	-1
48	0
49	0
50	0
51	1
52	0
53	-1
54	0
55	1
56	0
57	1
58	1
59	-1
60	1
61	-1
62	1
63	0
64	0
65	1
66	0
67	-1
68	0
69	1
70	3
71	-1
72	1
73	-1
74	1
75	2
76	0
77	-5
78	0
79	-1
80	0
81	0
82	1
83	-1
84	-1
85	1
86	1
87	1
88	0
89	-1
90	3
91	1
92	0
93	1
94	1
95	1
96	0

n	a(n)
1	1
2	-1
3	-1
4	0
5	-1
6	0
7	-1
8	0
9	0
10	1
11	-1
12	1
13	-1
14	1
15	-1
16	0
17	-1
18	1
19	-1
20	0
21	1
22	1
23	-1
24	0
25	0
26	1
27	0
28	0
29	-1
30	0
31	-1
32	0
33	1
34	1
35	-3
36	-2
37	-1
38	1
39	1
40	0
41	-1
42	0
43	-1
44	0
45	2
46	1
47	-1
48	0
49	0
50	0
51	1
52	0
53	-1
54	0
55	1
56	0
57	1
58	1
59	-1
60	1
61	-1
62	1
63	0
64	0
65	1
66	0
67	-1
68	0
69	1
70	3
71	-1
72	1
73	-1
74	1
75	2
76	0
77	-5
78	0
79	-1
80	0
81	0
82	1
83	-1
84	-1
85	1
86	1
87	1
88	0
89	-1
90	3
91	1
92	0
93	1
94	1
95	1
96	0

n	a(n)
1	1
2	-1
3	-1
4	0
5	-1
6	0
7	-1
8	0
9	0
10	1
11	-1
12	1
13	-1
14	1
15	-1
16	0
17	-1
18	1
19	-1
20	0
21	1
22	1
23	-1
24	0
25	0
26	1
27	0
28	0
29	-1
30	0
31	-1
32	0
33	1
34	1
35	-3
36	-2
37	-1
38	1
39	1
40	0
41	-1
42	0
43	-1
44	0
45	2
46	1
47	-1
48	0
49	0
50	0
51	1
52	0
53	-1
54	0
55	1
56	0
57	1
58	1
59	-1
60	1
61	-1
62	1
63	0
64	0
65	1
66	0
67	-1
68	0
69	1
70	3
71	-1
72	1
73	-1
74	1
75	2
76	0
77	-5
78	0
79	-1
80	0
81	0
82	1
83	-1
84	-1
85	1
86	1
87	1
88	0
89	-1
90	3
91	1
92	0
93	1
94	1
95	1
96	0