1,2

Table of n, a(n) for n=1..7.

G. Loeh, Generalized Cullen primes

Select[Range[2300], PrimeQ[# 12^# + 1] &]

(MAGMA) [n: n in [0..2300] | IsPrime(n*12^n+1)]

(PARI) is(n)=ispseudoprime(n*12^n+1) \\ Charles R Greathouse IV, Jun 06 2017

Cf. similar sequences listed in A242176.

Sequence in context: A062481 A053089 A090241 * A316802 A299648 A219269

Adjacent sequences: A242193 A242194 A242195 * A242197 A242198 A242199

nonn,more

Vincenzo Librandi, May 08 2014

a(4)- a(7) from Loeh's list (see Links) - Bruno Berselli, May 08 2014

approved