A121647 - cp's OEIS frontend

A121647 Sequence gives values of sigma(n)^2 divided by UnitarySigma(n)*UnitaryPhi(n) associated with n in A121556.

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

[1, 3, 2, 6, 4, 3, 9, 2, 8, 6, 7, 4, 5, 12, 7, 3, 4, 10, 9, 7, 2, 5, 8, 6, 5, 14, 4, 10, 7, 5, 7, 5, 12, 10, 4, 3, 9, 14, 3, 10, 8, 10, 11, 15, 4, 9, 4, 2, 9, 3, 5, 6, 4, 7, 2, 8, 5, 15, 4, 11, 4, 5, 10, 16, 7, 10, 6, 13, 9, 2, 6, 7, 5, 4, 4, 6, 2, 8, 2, 15, 5, 8, 4, 11, 10, 12, 8]

cp's OEIS Frontend

A121647 Sequence gives values of sigma(n)^2 divided by UnitarySigma(n)*UnitaryPhi(n) associated with n in A121556.

Table of values

List of values

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

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

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