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Proth primes of the form 2•5ⁿ+1

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Current data

`k` , `b` :	2 , 5
Count :	14
Nash :	1225
Max `n` :	200,000
Date :	2015-03-14

1, 3, 13, 45, 105, 159, 297, 1443, 2977, 3699, 11709, 12357, 43165, 121995

Remarks :

sequence A058934 in OEIS

History

2015-03-14: Checked to n = 200000, Robert Price
2004-01-28: Found n = 121995, Peter Benson
1999-02-05: Found n = 43165, Wilfrid Keller
1994-05-01: Found n = 12357, Chris Caldwell
1994-05-01: Found n = 11709, Chris Caldwell
1994: Found n = 2977, Chris Caldwell
1992: Found n = 3699, Chris Caldwell
1992: Found n = 1443, Chris Caldwell

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Proth 5