A057936 - cp's OEIS frontend

A057936 Number of prime factors of 8^n + 1 (counted with multiplicity).

n	a(n)
1	2
2	2
3	4
4	2
5	4
6	4
7	4
8	3
9	6
10	6
11	5
12	4
13	4
14	6
15	7
16	3
17	6
18	6
19	5
20	4
21	7
22	6
23	5
24	5
25	7
26	10
27	10
28	5
29	5
30	11
31	5
32	3
33	9
34	9
35	11
36	6
37	7
38	8
39	7
40	6
41	7
42	10
43	6
44	7
45	12
46	8
47	7
48	7
49	7
50	14
51	11
52	5
53	6
54	10
55	12
56	8
57	9
58	8
59	8
60	8
61	4
62	9
63	13
64	4
65	11
66	12
67	8
68	9
69	8
70	15
71	8
72	8
73	6
74	10
75	12
76	8
77	12
78	17
79	6
80	7
81	15
82	10
83	9
84	12
85	12
86	10
87	11
88	8
89	8
90	18
91	12

[2, 2, 4, 2, 4, 4, 4, 3, 6, 6, 5, 4, 4, 6, 7, 3, 6, 6, 5, 4, 7, 6, 5, 5, 7, 10, 10, 5, 5, 11, 5, 3, 9, 9, 11, 6, 7, 8, 7, 6, 7, 10, 6, 7, 12, 8, 7, 7, 7, 14, 11, 5, 6, 10, 12, 8, 9, 8, 8, 8, 4, 9, 13, 4, 11, 12, 8, 9, 8, 15, 8, 8, 6, 10, 12, 8, 12, 17, 6, 7, 15, 10, 9, 12, 12, 10, 11, 8, 8, 18, 12]

cp's OEIS Frontend

A057936 Number of prime factors of 8^n + 1 (counted with multiplicity).

Table of values

List of values

n	a(n)
1	2
2	2
3	4
4	2
5	4
6	4
7	4
8	3
9	6
10	6
11	5
12	4
13	4
14	6
15	7
16	3
17	6
18	6
19	5
20	4
21	7
22	6
23	5
24	5
25	7
26	10
27	10
28	5
29	5
30	11
31	5
32	3
33	9
34	9
35	11
36	6
37	7
38	8
39	7
40	6
41	7
42	10
43	6
44	7
45	12
46	8
47	7
48	7
49	7
50	14
51	11
52	5
53	6
54	10
55	12
56	8
57	9
58	8
59	8
60	8
61	4
62	9
63	13
64	4
65	11
66	12
67	8
68	9
69	8
70	15
71	8
72	8
73	6
74	10
75	12
76	8
77	12
78	17
79	6
80	7
81	15
82	10
83	9
84	12
85	12
86	10
87	11
88	8
89	8
90	18
91	12

n	a(n)
1	2
2	2
3	4
4	2
5	4
6	4
7	4
8	3
9	6
10	6
11	5
12	4
13	4
14	6
15	7
16	3
17	6
18	6
19	5
20	4
21	7
22	6
23	5
24	5
25	7
26	10
27	10
28	5
29	5
30	11
31	5
32	3
33	9
34	9
35	11
36	6
37	7
38	8
39	7
40	6
41	7
42	10
43	6
44	7
45	12
46	8
47	7
48	7
49	7
50	14
51	11
52	5
53	6
54	10
55	12
56	8
57	9
58	8
59	8
60	8
61	4
62	9
63	13
64	4
65	11
66	12
67	8
68	9
69	8
70	15
71	8
72	8
73	6
74	10
75	12
76	8
77	12
78	17
79	6
80	7
81	15
82	10
83	9
84	12
85	12
86	10
87	11
88	8
89	8
90	18
91	12

n	a(n)
1	2
2	2
3	4
4	2
5	4
6	4
7	4
8	3
9	6
10	6
11	5
12	4
13	4
14	6
15	7
16	3
17	6
18	6
19	5
20	4
21	7
22	6
23	5
24	5
25	7
26	10
27	10
28	5
29	5
30	11
31	5
32	3
33	9
34	9
35	11
36	6
37	7
38	8
39	7
40	6
41	7
42	10
43	6
44	7
45	12
46	8
47	7
48	7
49	7
50	14
51	11
52	5
53	6
54	10
55	12
56	8
57	9
58	8
59	8
60	8
61	4
62	9
63	13
64	4
65	11
66	12
67	8
68	9
69	8
70	15
71	8
72	8
73	6
74	10
75	12
76	8
77	12
78	17
79	6
80	7
81	15
82	10
83	9
84	12
85	12
86	10
87	11
88	8
89	8
90	18
91	12