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.

A380655 Smallest prime p > 10^(n-1) for which successive cyclic shifts of digits by 1, ..., n-1 positions to the left are all prime, or -1 if no such p exists.

Table of values

n a(n)
1 2
2 11
3 113
4 1193
5 11939
6 193939
7 71777393
8 913311913
9 93739179151
10 317793117877
11 731779311787
12 1373779119729007

List of values

[2, 11, 113, 1193, 11939, 193939, 71777393, 913311913, 93739179151, 317793117877, 731779311787, 1373779119729007]

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

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