A366655 - cp's OEIS frontend

A366655 Number of distinct prime divisors of 8^n + 1.

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

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

cp's OEIS Frontend

A366655 Number of distinct prime divisors of 8^n + 1.

Table of values

List of values

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

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

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