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.

A069574 Smallest n-digit prime in which the k-th digit is a divisor or a multiple of k, or 0 if no such prime exists.

Table of values

n a(n)
1 2
2 11
3 113
4 1117
5 11113
6 111119
7 1111169
8 11111117
9 111111113
10 1111111121
11 11111111113
12 111111111149
13 1111111111183
14 11111111111123
15 111111111111389
16 1111111111111123
17 11111111111111119
18 111111111111111143
19 1111111111111111111
20 11111111111111111143

List of values

[2, 11, 113, 1117, 11113, 111119, 1111169, 11111117, 111111113, 1111111121, 11111111113, 111111111149, 1111111111183, 11111111111123, 111111111111389, 1111111111111123, 11111111111111119, 111111111111111143, 1111111111111111111, 11111111111111111143]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.