A193295 - cp's OEIS frontend

A193295 Number of prime divisors (with multiplicity) of n^2 - 1.

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

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

cp's OEIS Frontend

A193295 Number of prime divisors (with multiplicity) of n^2 - 1.

Table of values

List of values

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

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

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