A327342 - cp's OEIS frontend

A327342 a(n) gives the number of distinct odd prime divisors of m(n) = A002559(n) (Markoff numbers).

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	2
14	2
15	1
16	1
17	2
18	1
19	2
20	1
21	2
22	2
23	2
24	1
25	1
26	2
27	1
28	2
29	2
30	2
31	1
32	2
33	3
34	3
35	2
36	1
37	2
38	1
39	1
40	2
41	2
42	2
43	2
44	3
45	1
46	1
47	3
48	1
49	1
50	2
51	3
52	2
53	2
54	2
55	3
56	2
57	1
58	3
59	3
60	2
61	3
62	1
63	3
64	3
65	2
66	2
67	2
68	3
69	1
70	2
71	2
72	2
73	2
74	2
75	2
76	1
77	3
78	2
79	1
80	4
81	1
82	2
83	2
84	4
85	2
86	1
87	3
88	3
89	4
90	3
91	1
92	1
93	2
94	2
95	2
96	1
97	3
98	2
99	3
100	2

[0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 2, 3, 3, 2, 1, 2, 1, 1, 2, 2, 2, 2, 3, 1, 1, 3, 1, 1, 2, 3, 2, 2, 2, 3, 2, 1, 3, 3, 2, 3, 1, 3, 3, 2, 2, 2, 3, 1, 2, 2, 2, 2, 2, 2, 1, 3, 2, 1, 4, 1, 2, 2, 4, 2, 1, 3, 3, 4, 3, 1, 1, 2, 2, 2, 1, 3, 2, 3, 2]

cp's OEIS Frontend

A327342 a(n) gives the number of distinct odd prime divisors of m(n) = A002559(n) (Markoff numbers).

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	2
14	2
15	1
16	1
17	2
18	1
19	2
20	1
21	2
22	2
23	2
24	1
25	1
26	2
27	1
28	2
29	2
30	2
31	1
32	2
33	3
34	3
35	2
36	1
37	2
38	1
39	1
40	2
41	2
42	2
43	2
44	3
45	1
46	1
47	3
48	1
49	1
50	2
51	3
52	2
53	2
54	2
55	3
56	2
57	1
58	3
59	3
60	2
61	3
62	1
63	3
64	3
65	2
66	2
67	2
68	3
69	1
70	2
71	2
72	2
73	2
74	2
75	2
76	1
77	3
78	2
79	1
80	4
81	1
82	2
83	2
84	4
85	2
86	1
87	3
88	3
89	4
90	3
91	1
92	1
93	2
94	2
95	2
96	1
97	3
98	2
99	3
100	2

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	2
14	2
15	1
16	1
17	2
18	1
19	2
20	1
21	2
22	2
23	2
24	1
25	1
26	2
27	1
28	2
29	2
30	2
31	1
32	2
33	3
34	3
35	2
36	1
37	2
38	1
39	1
40	2
41	2
42	2
43	2
44	3
45	1
46	1
47	3
48	1
49	1
50	2
51	3
52	2
53	2
54	2
55	3
56	2
57	1
58	3
59	3
60	2
61	3
62	1
63	3
64	3
65	2
66	2
67	2
68	3
69	1
70	2
71	2
72	2
73	2
74	2
75	2
76	1
77	3
78	2
79	1
80	4
81	1
82	2
83	2
84	4
85	2
86	1
87	3
88	3
89	4
90	3
91	1
92	1
93	2
94	2
95	2
96	1
97	3
98	2
99	3
100	2

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	2
14	2
15	1
16	1
17	2
18	1
19	2
20	1
21	2
22	2
23	2
24	1
25	1
26	2
27	1
28	2
29	2
30	2
31	1
32	2
33	3
34	3
35	2
36	1
37	2
38	1
39	1
40	2
41	2
42	2
43	2
44	3
45	1
46	1
47	3
48	1
49	1
50	2
51	3
52	2
53	2
54	2
55	3
56	2
57	1
58	3
59	3
60	2
61	3
62	1
63	3
64	3
65	2
66	2
67	2
68	3
69	1
70	2
71	2
72	2
73	2
74	2
75	2
76	1
77	3
78	2
79	1
80	4
81	1
82	2
83	2
84	4
85	2
86	1
87	3
88	3
89	4
90	3
91	1
92	1
93	2
94	2
95	2
96	1
97	3
98	2
99	3
100	2