cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A092995 Smallest prime of the form concatenation of prime(n) with itself followed by a 9, or 0 if no such prime exists.

Table of values

n a(n)
1 29
2 0
3 59
4 79
5 11119
6 139
7 179
8 199
9 239
10 29292929292929299
11 31319
12 379
13 419
14 439
15 479
16 0
17 599
18 619
19 67679
20 719
21 739
22 797979799
23 839
24 89899
25 979797979
26 1019
27 1039
28 1071071071079
29 1091091091099
30 1131139
31 1279
32 1319
33 1371371371379
34 1399
35 1499

List of values

[29, 0, 59, 79, 11119, 139, 179, 199, 239, 29292929292929299, 31319, 379, 419, 439, 479, 0, 599, 619, 67679, 719, 739, 797979799, 839, 89899, 979797979, 1019, 1039, 1071071071079, 1091091091099, 1131139, 1279, 1319, 1371371371379, 1399, 1499]