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Williams primes of the form 255•256n+1

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Reserved! This sequence is currently reserved by: PrimeGrid

Current data

Base : 256
Count : 8
Max n : 696,250
Date : 2024-12-06
Reserved : PrimeGridPrimeGrid/Reserved
4, 9, 42, 130, 580, 33226, 51426, 333556
Remarks :
Do not add primes here. Only add primes 8*n to Proth 255•2n+1.
For additional history, see above reused Proth sequence.