A366615 - cp's OEIS frontend

A366615 Number of distinct prime divisors of 5^n + 1.

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	3
6	3
7	4
8	3
9	4
10	4
11	5
12	3
13	4
14	3
15	6
16	3
17	4
18	5
19	5
20	4
21	8
22	4
23	4
24	4
25	5
26	4
27	7
28	3
29	4
30	7
31	5
32	4
33	8
34	6
35	7
36	6
37	5
38	4
39	7
40	5
41	6
42	6
43	6
44	3
45	8
46	3
47	5
48	5
49	7
50	7
51	9
52	5
53	5
54	6
55	7
56	7
57	8
58	3
59	6
60	6
61	6
62	4
63	13
64	4
65	8
66	7
67	3
68	7
69	8
70	7
71	5
72	6
73	5
74	5
75	12
76	5
77	9
78	9
79	6
80	6
81	10
82	6
83	5
84	7
85	9

[1, 2, 2, 3, 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 3, 6, 3, 4, 5, 5, 4, 8, 4, 4, 4, 5, 4, 7, 3, 4, 7, 5, 4, 8, 6, 7, 6, 5, 4, 7, 5, 6, 6, 6, 3, 8, 3, 5, 5, 7, 7, 9, 5, 5, 6, 7, 7, 8, 3, 6, 6, 6, 4, 13, 4, 8, 7, 3, 7, 8, 7, 5, 6, 5, 5, 12, 5, 9, 9, 6, 6, 10, 6, 5, 7, 9]

cp's OEIS Frontend

A366615 Number of distinct prime divisors of 5^n + 1.

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	3
6	3
7	4
8	3
9	4
10	4
11	5
12	3
13	4
14	3
15	6
16	3
17	4
18	5
19	5
20	4
21	8
22	4
23	4
24	4
25	5
26	4
27	7
28	3
29	4
30	7
31	5
32	4
33	8
34	6
35	7
36	6
37	5
38	4
39	7
40	5
41	6
42	6
43	6
44	3
45	8
46	3
47	5
48	5
49	7
50	7
51	9
52	5
53	5
54	6
55	7
56	7
57	8
58	3
59	6
60	6
61	6
62	4
63	13
64	4
65	8
66	7
67	3
68	7
69	8
70	7
71	5
72	6
73	5
74	5
75	12
76	5
77	9
78	9
79	6
80	6
81	10
82	6
83	5
84	7
85	9

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	3
6	3
7	4
8	3
9	4
10	4
11	5
12	3
13	4
14	3
15	6
16	3
17	4
18	5
19	5
20	4
21	8
22	4
23	4
24	4
25	5
26	4
27	7
28	3
29	4
30	7
31	5
32	4
33	8
34	6
35	7
36	6
37	5
38	4
39	7
40	5
41	6
42	6
43	6
44	3
45	8
46	3
47	5
48	5
49	7
50	7
51	9
52	5
53	5
54	6
55	7
56	7
57	8
58	3
59	6
60	6
61	6
62	4
63	13
64	4
65	8
66	7
67	3
68	7
69	8
70	7
71	5
72	6
73	5
74	5
75	12
76	5
77	9
78	9
79	6
80	6
81	10
82	6
83	5
84	7
85	9

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	3
6	3
7	4
8	3
9	4
10	4
11	5
12	3
13	4
14	3
15	6
16	3
17	4
18	5
19	5
20	4
21	8
22	4
23	4
24	4
25	5
26	4
27	7
28	3
29	4
30	7
31	5
32	4
33	8
34	6
35	7
36	6
37	5
38	4
39	7
40	5
41	6
42	6
43	6
44	3
45	8
46	3
47	5
48	5
49	7
50	7
51	9
52	5
53	5
54	6
55	7
56	7
57	8
58	3
59	6
60	6
61	6
62	4
63	13
64	4
65	8
66	7
67	3
68	7
69	8
70	7
71	5
72	6
73	5
74	5
75	12
76	5
77	9
78	9
79	6
80	6
81	10
82	6
83	5
84	7
85	9