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Generalized Woodall primes of the form `n`•42ⁿ-1

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Current data

Base :	42
Count :	12
Max `n` :	200,000
Date :	?

1, 2, 12, 21, 25, 40, 135, 310, 850, 1282, 7342, 65555

History

2014-03-13: Checked to n = 25000, Steven Harvey
2010-11-01: Checked to n = 4000, Steven Harvey
2008-11-11: Found n = 65555, Bryan Koen
2000-04-22: Found n = 7342, Joe DeMaio

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Woodall prime