A263450 - cp's OEIS frontend

A263450 Smallest integer k>0 such that there is at least one zero in the decimal representation of prime(n)^k.

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

[10, 10, 8, 4, 5, 6, 7, 4, 6, 4, 6, 3, 5, 3, 2, 2, 3, 5, 3, 2, 3, 3, 5, 3, 2, 1, 1, 1, 1, 4, 3, 3, 6, 4, 2, 2, 4, 3, 5, 4, 2, 4, 4, 3, 2, 2, 5, 3, 3, 3, 6, 4, 2, 2, 2, 4, 3, 3, 5, 3, 2, 4, 1, 3, 3, 2, 2, 6, 2, 2, 2, 4, 3, 5, 4, 6, 4, 2, 1, 1, 3, 4, 3, 5, 3, 3, 2, 2, 5]

cp's OEIS Frontend

A263450 Smallest integer k>0 such that there is at least one zero in the decimal representation of prime(n)^k.

Table of values

List of values

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

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

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