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A242197 Numbers k such that k*14^k + 1 is prime. 2
3, 5, 6, 9, 33, 45, 243, 252, 1798, 2429, 5686, 12509, 42545 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

G. Loeh, Generalized Cullen primes

MATHEMATICA

Select[Range[2000], PrimeQ[# 14^# + 1] &]

PROG

(MAGMA) [n: n in [0..2000] | IsPrime(n*14^n+1)];

(PARI) is(n)=ispseudoprime(n*14^n+1) \\ Charles R Greathouse IV, Jun 06 2017

CROSSREFS

Cf. similar sequences listed in A242176.

Sequence in context: A095829 A054871 A248644 * A283051 A244671 A232531

Adjacent sequences:  A242194 A242195 A242196 * A242198 A242199 A242200

KEYWORD

nonn,more

AUTHOR

Vincenzo Librandi, May 08 2014

EXTENSIONS

a(10)-a(13) from Loeh's list (see Links) - Bruno Berselli, May 08 2014

STATUS

approved

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Last modified January 20 08:18 EST 2020. Contains 331081 sequences. (Running on oeis4.)