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.

A118305 Numbers k such that 3*k^k-1 is prime.

Original entry on oeis.org

1, 2, 6, 16, 5436, 6238
Offset: 1

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Author

Rick L. Shepherd, Apr 22 2006

Keywords

Comments

Six terms found and primes proved by PrimeForm ([N+1, Brillhart-Lehmer-Selfridge]). 3*6238^6238-1 has 23674 digits. No more terms <= 8800.
No more terms <= 25000. - Michael S. Branicky, Oct 13 2024

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