A105973 - cp's OEIS frontend

A105973 Number of distinct prime divisors of 88...883 (with n 8's).

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

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

cp's OEIS Frontend

A105973 Number of distinct prime divisors of 88...883 (with n 8's).

Table of values

List of values

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

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

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