A364818 - cp's OEIS frontend

A364818 Number of distinct prime divisors of A000129(n) (Pell numbers).

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

[0, 1, 1, 2, 1, 3, 1, 3, 2, 3, 1, 5, 1, 3, 3, 4, 2, 5, 2, 6, 3, 4, 2, 7, 3, 4, 4, 6, 1, 7, 3, 5, 3, 5, 3, 9, 3, 4, 4, 9, 1, 7, 2, 8, 6, 5, 2, 10, 3, 6, 5, 7, 1, 8, 5, 8, 5, 3, 1, 13, 3, 6, 6, 8, 6, 8, 2, 9, 4, 8, 3, 13, 2, 7, 8, 9, 5, 10, 4, 12, 7, 5, 2, 14, 7]

cp's OEIS Frontend

A364818 Number of distinct prime divisors of A000129(n) (Pell numbers).

Table of values

List of values

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

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

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