OFFSET
1,1
COMMENTS
a(44) > 44233. - Jinyuan Wang, Feb 02 2020
a(54) > 1000000 - Jon Grantham, Jul 30 2023
LINKS
Jon Grantham and Andrew Granville, Fibonacci primes, primes of the form 2^n-k and beyond, arXiv:2307.07894 [math.NT], 2023.
MATHEMATICA
Do[ If[ PrimeQ[ 3*2^n - 5 ], Print[ n ] ], {n, 1, 3000} ]
PROG
(PARI) is(n)=ispseudoprime(3*2^n-5) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Robert G. Wilson v, Nov 16 2000
EXTENSIONS
a(36)-a(41) from Vincenzo Librandi, Oct 10 2013
a(42)-a(43) from Jinyuan Wang, Feb 02 2020
a(44)-a(45) from Michael S. Branicky, May 20 2023
a(46)-a(53) from Jon Grantham, Jul 30 2023
STATUS
approved