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.

A089770 Smallest n-digit prime containing no prime substrings, or 0 if no such number exists.

Table of values

n a(n)
1 2
2 11
3 101
4 1009
5 10009
6 100049
7 1000081
8 10000169
9 100000049
10 1000000009
11 10000000069
12 100000000069
13 1000000000091
14 10000000000099
15 100000000000099
16 1000000000000091
17 10000000000000069
18 100000000000000049

List of values

[2, 11, 101, 1009, 10009, 100049, 1000081, 10000169, 100000049, 1000000009, 10000000069, 100000000069, 1000000000091, 10000000000099, 100000000000099, 1000000000000091, 10000000000000069, 100000000000000049]

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

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