A090519 - cp's OEIS frontend

A090519 Smallest prime p such that floor((10^n)/p) is prime, or 0 if no such number exists.

n	a(n)
1	2
2	13
3	23
4	13
5	89
6	19
7	7
8	47
9	67
10	13
11	17
12	157
13	17
14	313
15	107
16	409
17	151
18	773
19	149
20	409
21	109
22	13
23	29
24	211
25	7
26	19
27	149
28	431
29	859
30	43
31	109
32	167
33	277
34	13
35	2293
36	173
37	907
38	107
39	1087
40	617
41	449
42	1013
43	73
44	1249
45	743
46	109
47	233
48	499
49	191
50	479

[2, 13, 23, 13, 89, 19, 7, 47, 67, 13, 17, 157, 17, 313, 107, 409, 151, 773, 149, 409, 109, 13, 29, 211, 7, 19, 149, 431, 859, 43, 109, 167, 277, 13, 2293, 173, 907, 107, 1087, 617, 449, 1013, 73, 1249, 743, 109, 233, 499, 191, 479]

cp's OEIS Frontend

A090519 Smallest prime p such that floor((10^n)/p) is prime, or 0 if no such number exists.

Table of values

List of values