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Generalized Woodall primes of the form `n`•27ⁿ-1

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Current data

Base :	27
Count :	8
Max `n` :	450,000
Date :	?

10, 18, 20, 2420, 6638, 11368, 14040^[1], 103444

Notes

↑ Riesel 520•27¹⁴⁰⁴¹-1

History

2014-03-13: Checked to n = 25000, Steven Harvey
2010-11-01: Checked to n = 4000, Steven Harvey
2009-10: Found n = 103444, Steven Harvey
2002-10: Found n = 14040, Steven Harvey

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Woodall prime