A105255 - cp's OEIS frontend

A105255 Number of distinct prime divisors of 88...889 (with n 8's).

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

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

cp's OEIS Frontend

A105255 Number of distinct prime divisors of 88...889 (with n 8's).

Table of values

List of values

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

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

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