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Williams primes of the form 50•49ⁿ-1

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Revision as of 18:55, 5 December 2024 by Gd barnes (talk | contribs) (check to n=100K)

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Reserved! This sequence is currently reserved by: Kevin Würth

Current data

Base :	49
Count :	21
Max n :	100,000
Date :	2024-12-05
Reserved :	Kevin WürthKevin Würth/Reserved

2, 3, 5, 10, 11, 13, 14, 45, 78, 82, 152, 158, 243, 401, 456, 768, 1763, 7713, 11174, 23576, 84605

Remarks :

Do not add primes here. Only add primes 2*n to Riesel 50•7ⁿ-1.
For additional history, see above reused Riesel sequence.

History

2024-12-05: Checked n = 87000 - 100000, Kevin Würth
2024-10-11: Checked n = 85000 - 87000, Kevin Würth
2024-10-06: Found n = 84605, Kevin Würth
2024-10-06: Checked n = 10000 - 85000, Kevin Würth
2024-09-27: Reserved by Kevin Würth for n = 10000 - 250000
2019-04-23: Checked n = 1 - 10000, Karsten Bonath
2016: Checked n = 1 - 1000, Mauro Fiorentini

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