A066670 - cp's OEIS frontend

A066670 Primes arising in A066669: the only odd prime divisor of phi(A066669(n)).

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

[3, 3, 5, 3, 3, 3, 3, 5, 11, 5, 3, 3, 7, 5, 3, 3, 3, 5, 3, 5, 3, 11, 23, 5, 3, 13, 5, 3, 7, 29, 3, 5, 11, 3, 3, 5, 3, 5, 41, 3, 7, 5, 11, 3, 11, 23, 3, 5, 3, 3, 13, 53, 5, 3, 7, 11, 7, 29, 3, 5, 3, 5, 17, 11, 3, 23, 3, 7, 37, 5, 3, 3, 13, 5, 5, 41, 83, 3, 43, 7, 5, 29, 11, 89, 3, 11, 5, 23, 3, 3]

cp's OEIS Frontend

A066670 Primes arising in A066669: the only odd prime divisor of phi(A066669(n)).

Table of values

List of values

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

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

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