A065395 - cp's OEIS frontend

A065395 Commutator of sigma and phi functions.

n	a(n)
1	0
2	-1
3	1
4	-3
5	5
6	-1
7	8
8	-1
9	0
10	1
11	14
12	-5
13	22
14	4
15	7
16	-15
17	25
18	-12
19	31
20	3
21	12
22	6
23	28
24	-1
25	12
26	16
27	23
28	4
29	48
30	-9
31	56
32	-5
33	26
34	13
35	44
36	-44
37	73
38	23
39	36
40	7
41	78
42	-4
43	76
44	18
45	36
46	12
47	56
48	-29
49	60
50	-18
51	39
52	18
53	80
54	7
55	66
56	28
57	59
58	32
59	74
60	-17
61	138
62	40
63	43
64	-63
65	100
66	-6

[0, -1, 1, -3, 5, -1, 8, -1, 0, 1, 14, -5, 22, 4, 7, -15, 25, -12, 31, 3, 12, 6, 28, -1, 12, 16, 23, 4, 48, -9, 56, -5, 26, 13, 44, -44, 73, 23, 36, 7, 78, -4, 76, 18, 36, 12, 56, -29, 60, -18, 39, 18, 80, 7, 66, 28, 59, 32, 74, -17, 138, 40, 43, -63, 100, -6]

cp's OEIS Frontend

A065395 Commutator of sigma and phi functions.

Table of values

List of values

n	a(n)
1	0
2	-1
3	1
4	-3
5	5
6	-1
7	8
8	-1
9	0
10	1
11	14
12	-5
13	22
14	4
15	7
16	-15
17	25
18	-12
19	31
20	3
21	12
22	6
23	28
24	-1
25	12
26	16
27	23
28	4
29	48
30	-9
31	56
32	-5
33	26
34	13
35	44
36	-44
37	73
38	23
39	36
40	7
41	78
42	-4
43	76
44	18
45	36
46	12
47	56
48	-29
49	60
50	-18
51	39
52	18
53	80
54	7
55	66
56	28
57	59
58	32
59	74
60	-17
61	138
62	40
63	43
64	-63
65	100
66	-6

n	a(n)
1	0
2	-1
3	1
4	-3
5	5
6	-1
7	8
8	-1
9	0
10	1
11	14
12	-5
13	22
14	4
15	7
16	-15
17	25
18	-12
19	31
20	3
21	12
22	6
23	28
24	-1
25	12
26	16
27	23
28	4
29	48
30	-9
31	56
32	-5
33	26
34	13
35	44
36	-44
37	73
38	23
39	36
40	7
41	78
42	-4
43	76
44	18
45	36
46	12
47	56
48	-29
49	60
50	-18
51	39
52	18
53	80
54	7
55	66
56	28
57	59
58	32
59	74
60	-17
61	138
62	40
63	43
64	-63
65	100
66	-6

n	a(n)
1	0
2	-1
3	1
4	-3
5	5
6	-1
7	8
8	-1
9	0
10	1
11	14
12	-5
13	22
14	4
15	7
16	-15
17	25
18	-12
19	31
20	3
21	12
22	6
23	28
24	-1
25	12
26	16
27	23
28	4
29	48
30	-9
31	56
32	-5
33	26
34	13
35	44
36	-44
37	73
38	23
39	36
40	7
41	78
42	-4
43	76
44	18
45	36
46	12
47	56
48	-29
49	60
50	-18
51	39
52	18
53	80
54	7
55	66
56	28
57	59
58	32
59	74
60	-17
61	138
62	40
63	43
64	-63
65	100
66	-6