A105248 - cp's OEIS frontend

A105248 Number of distinct prime divisors of 88...887 (with n 8's).

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

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

cp's OEIS Frontend

A105248 Number of distinct prime divisors of 88...887 (with n 8's).

Table of values

List of values

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

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

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