A369068 - cp's OEIS frontend

A369068 Möbius transform of A083345, where A083345(n) = n' / gcd(n,n'), and n' stands for the arithmetic derivative of n, A003415.

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

[0, 1, 1, 0, 1, 3, 1, 2, 1, 5, 1, -1, 1, 7, 6, -1, 1, 1, 1, -1, 8, 11, 1, 5, 1, 13, -1, -1, 1, 14, 1, 3, 12, 17, 10, -1, 1, 19, 14, 9, 1, 20, 1, -1, 4, 23, 1, -3, 1, 1, 18, -1, 1, -3, 14, 13, 20, 29, 1, -6, 1, 31, 6, -2, 16, 32, 1, -1, 24, 34, 1, 1, 1, 37, 2, -1, 16, 38, 1, -5, 3, 41, 1, -8, 20, 43, 30, 21, 1, 4, 18]

cp's OEIS Frontend

A369068 Möbius transform of A083345, where A083345(n) = n' / gcd(n,n'), and n' stands for the arithmetic derivative of n, A003415.

Table of values

List of values

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

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

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