A060474 - cp's OEIS frontend

A060474 a(n) = denominator of phi(n)/(n+1), where phi(n) is Euler's phi, A000010.

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

[2, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7, 5, 2, 17, 9, 19, 10, 21, 11, 23, 12, 25, 13, 9, 14, 29, 15, 31, 16, 33, 17, 35, 3, 37, 19, 13, 5, 41, 21, 43, 22, 9, 23, 47, 24, 49, 25, 51, 13, 53, 27, 55, 7, 19, 29, 59, 30, 61, 31, 21, 16, 65, 11, 67, 34, 69, 35, 71, 36, 73, 37, 25, 19, 77, 13, 79, 40]

cp's OEIS Frontend

A060474 a(n) = denominator of phi(n)/(n+1), where phi(n) is Euler's phi, A000010.

Table of values

List of values

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

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

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