Williams primes of the form 80•81n+1

Current data

Base : 81 Count : 3 Max n : 50,000 Date : 2024-10-03

1, 5394, 11811

Remarks :

Do not add primes here. Only add primes 4*n to Proth 80•3n+1. For additional history, see above reused Proth sequence.

History

• 2024-10-03: Checked n = 1 - 25000, Richard Kapek, double-check, released
• 2020-10-26: Checked n = 12500 - 50000, Karsten Bonath, from Proth 80•3ⁿ+1
• 2016: Checked n = 1 - 1000, Mauro Fiorentini