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Proth primes of the form 4•3n+1

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Revision as of 15:24, 9 September 2024 by Ryanp (talk | contribs) (fix count)
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Reserved! This sequence is currently reserved by: Ryan Propper

Current data

k , b : 4 , 3
Count : 31
Nash : 1703
Max n : 5,000,000
Date : 2024-09-09
Reserved : Ryan PropperRyan Propper/Reserved
1, 2, 3, 6, 14, 15, 39, 201, 249, 885, 1005, 1254, 1635, 3306, 3522, 9602, 19785, 72698, 233583, 328689, 537918, 887535, 980925, 1154598, 1499606, 1936890, 2016951, 2143374, 4020126, 6402015, 7578378
Remarks :
The sequence A005537 in OEIS
For all even n-values 4•3n+1 is a Generalized Fermat number.
See also Williams 4•3n+1

History