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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.

A093176 Primes of the form 70*R_k + 1, where R_k is the repunit (A002275) of length k.

Table of values

n a(n)
1 71
2 7777777777771
3 77777777777777777771
4 77777777777777777777771
5 7777777777777777777777777777771
6 7777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777771

List of values

[71, 7777777777771, 77777777777777777771, 77777777777777777777771, 7777777777777777777777777777771, 7777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777771]

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

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