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Near Generalized Woodall primes of the form `(n-1)`•3ⁿ-1

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Current data

ASCII format :	(n-1)*3^n-1
Base :	3
Count :	16
Max `n` :	878,000
Date :	2017

3, 5, 7, 23, 157, 211, 215, 571, 957, 1625, 9151, 12805, 14891, 40755, 77285, 879537

History

2017: Checked n = 67000 - 878000, Steven Harvey
2017-08-11: Found n = 879537, Steven Harvey
2015-11-02: Found n = 77285, Steven Harvey
2015-11-02: Reserved by Steven Harvey to n = 2000000
2006-07-03: Checked n = 58000 - 67000, Kimmo Herranen
2006-07: Found n = 40755, Kimmo Herranen
2006-06-25: Checked n = 20000 - 58000, Kimmo Herranen
2004-08-18: Checked n = 10000 - 20000, Tyler Cadigan
2004-08-18: Found n = 14891, Tyler Cadigan
2004-08-18: Found n = 12805, Tyler Cadigan
2004-05-03: Checked n = 1 - 10000, Mark Rodenkirch

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Woodall prime M