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A059768
Numbers k such that 2*3^k + 35 is prime.
0
0, 1, 2, 3, 4, 5, 6, 7, 11, 20, 27, 28, 34, 63, 77, 125, 237, 255, 272, 332, 389, 848, 1148, 1216, 1391, 1426, 1767, 2254, 2534, 2722, 3989, 5029, 5375, 6125, 6607, 27286, 28891, 30407, 30499, 33911, 39157, 42163, 46072, 49671
OFFSET
1,3
COMMENTS
a(36) > 21662. - Jinyuan Wang, Jan 20 2020
MATHEMATICA
Do[ If[ PrimeQ[ 2*3^n + 35 ], Print[n] ], {n, 0, 6700} ]
PROG
(PARI) is(n)=ispseudoprime(2*3^n+35) \\ Charles R Greathouse IV, Jun 13 2017
(Magma) [n: n in [0..1000] | IsPrime(2*3^n+35)]; // Jinyuan Wang, Jan 20 2020
CROSSREFS
Sequence in context: A103539 A174821 A033086 * A271835 A118599 A178531
KEYWORD
nonn,more
AUTHOR
Robert G. Wilson v, Feb 21 2001
EXTENSIONS
a(36) from Michael S. Branicky, Apr 30 2023
a(37)-a(44) from Michael S. Branicky, Oct 22 2024
STATUS
approved