A135621 - cp's OEIS frontend

A135621 Number of prime factors of 11^n + 2 (counted with multiplicity).

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

[1, 1, 2, 2, 3, 1, 3, 3, 3, 1, 7, 3, 4, 3, 3, 2, 5, 2, 2, 3, 4, 3, 5, 3, 3, 3, 7, 3, 5, 6, 3, 2, 4, 3, 7, 5, 7, 3, 6, 3, 4, 4, 7, 4, 6, 7, 4, 2, 5, 3, 7, 5, 8, 4, 3, 4, 3, 5, 7, 6, 2, 5, 2, 5, 5, 4, 7, 7]

cp's OEIS Frontend

A135621 Number of prime factors of 11^n + 2 (counted with multiplicity).

Table of values

List of values

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

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

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