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Williams primes of the form 4•5ⁿ+1

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Current data

Base :	5
Count :	14
Max n :	300,000
Date :	2015-01-16

2, 6, 18, 50, 290, 2582, 20462, 23870, 26342, 31938, 38122, 65034, 70130, 245538

Remarks :

The sequence A204322 in OEIS
All primes are Generalized Fermat numbers.

History

2015-01-16: Checked to n = 300000, Robert Price
2004-05-10: Found n = 70130, Peter Benson
2000-07-18: Found n = 20462, Roberto E. Martinez

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Williams prime MP