A323030 Numbers k such that 379*2^k+1 is prime.

14, 26, 30, 94, 334, 498, 714, 1446, 2086, 110994, 257734, 314070, 1453534

Offset

1,1

Links

Table of n, a(n) for n=1..13.

Ray Ballinger, Proth Search Page

Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600

Y. Gallot, Proth.exe: Windows Program for Finding Large Primes

Wilfrid Keller, List of primes k.2^n - 1 for k < 300

Eric Weisstein's World of Mathematics, Proth Prime

Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Maple

select(k->isprime(379*2^k+1), [$1..1000]); # Muniru A Asiru, Jan 02 2019

Mathematica

Select[Range[1000], PrimeQ[379*2^# + 1] &] (* Robert Price, Jan 02 2019 *)

Crossrefs

Sequence in context: A094163 A134837 A105583 * A005277 A079702 A235688

Adjacent sequences: A323027 A323028 A323029 * A323031 A323032 A323033

Keyword

nonn,more,hard

Author

Robert Price, Jan 02 2019

Status

approved