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Williams primes of the form 4•3n+1

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Reserved! This sequence is currently reserved by: Ryan Propper

Current data

Base : 3
Count : 33
Max n : 5,000,000
Date : 2024-09-10
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, 9214845, 11279466
Remarks :
!!!DO NOT RESERVE!!! This list is a reuse of Proth 4•3n+1
The sequence A005537 in OEIS
For all even n-values 4•3n+1 is a Generalized Fermat number.
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