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Generalized Woodall primes of the form `n`•78ⁿ-1

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Current data

Base :	78
Count :	12
Max `n` :	200,000
Date :	2014-10-31

5, 19, 47, 160, 385, 391, 1225, 1666, 6613, 10800, 10811, 42045

History

2014-10-31: Checked to n = 200000, Maik Gruenewald
2014-10-31: Found n = 42045, Maik Gruenewald
2014-03-13: Checked to n = 25000, Steven Harvey
2010-11-01: Checked to n = 4000, Steven Harvey
?: Found n = 10811, Steven Harvey
?: Found n = 10800, Steven Harvey
2000-04-08: Found n = 6613, Joe DeMaio
2000-02-07: Found n = 1666, Joe DeMaio
2000-02-07: Found n = 1225, Joe DeMaio

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Woodall prime