A366686 - cp's OEIS frontend

A366686 Number of distinct prime divisors of 11^n + 1.

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	3
6	4
7	3
8	3
9	4
10	3
11	6
12	4
13	5
14	5
15	6
16	3
17	5
18	5
19	6
20	4
21	5
22	4
23	6
24	7
25	5
26	3
27	6
28	6
29	5
30	6
31	6
32	4
33	11
34	6
35	9
36	7
37	4
38	4
39	9
40	5
41	5
42	9
43	4
44	6
45	10
46	6
47	6
48	5
49	7
50	6
51	9
52	3
53	6
54	9
55	12
56	7
57	10
58	6
59	6
60	8
61	5
62	4
63	10
64	3
65	9
66	8
67	8
68	7
69	12
70	8
71	5
72	10
73	7
74	8
75	11
76	6
77	11
78	11
79	6
80	10
81	9
82	5

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

cp's OEIS Frontend

A366686 Number of distinct prime divisors of 11^n + 1.

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	3
6	4
7	3
8	3
9	4
10	3
11	6
12	4
13	5
14	5
15	6
16	3
17	5
18	5
19	6
20	4
21	5
22	4
23	6
24	7
25	5
26	3
27	6
28	6
29	5
30	6
31	6
32	4
33	11
34	6
35	9
36	7
37	4
38	4
39	9
40	5
41	5
42	9
43	4
44	6
45	10
46	6
47	6
48	5
49	7
50	6
51	9
52	3
53	6
54	9
55	12
56	7
57	10
58	6
59	6
60	8
61	5
62	4
63	10
64	3
65	9
66	8
67	8
68	7
69	12
70	8
71	5
72	10
73	7
74	8
75	11
76	6
77	11
78	11
79	6
80	10
81	9
82	5

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	3
6	4
7	3
8	3
9	4
10	3
11	6
12	4
13	5
14	5
15	6
16	3
17	5
18	5
19	6
20	4
21	5
22	4
23	6
24	7
25	5
26	3
27	6
28	6
29	5
30	6
31	6
32	4
33	11
34	6
35	9
36	7
37	4
38	4
39	9
40	5
41	5
42	9
43	4
44	6
45	10
46	6
47	6
48	5
49	7
50	6
51	9
52	3
53	6
54	9
55	12
56	7
57	10
58	6
59	6
60	8
61	5
62	4
63	10
64	3
65	9
66	8
67	8
68	7
69	12
70	8
71	5
72	10
73	7
74	8
75	11
76	6
77	11
78	11
79	6
80	10
81	9
82	5

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	3
6	4
7	3
8	3
9	4
10	3
11	6
12	4
13	5
14	5
15	6
16	3
17	5
18	5
19	6
20	4
21	5
22	4
23	6
24	7
25	5
26	3
27	6
28	6
29	5
30	6
31	6
32	4
33	11
34	6
35	9
36	7
37	4
38	4
39	9
40	5
41	5
42	9
43	4
44	6
45	10
46	6
47	6
48	5
49	7
50	6
51	9
52	3
53	6
54	9
55	12
56	7
57	10
58	6
59	6
60	8
61	5
62	4
63	10
64	3
65	9
66	8
67	8
68	7
69	12
70	8
71	5
72	10
73	7
74	8
75	11
76	6
77	11
78	11
79	6
80	10
81	9
82	5