

A251259


Numbers n such that 11*12^n + 1 is prime.


2




OFFSET

1,1


COMMENTS

a(10) > 2*10^5.  Robert Price, Mar 20 2015


LINKS

Table of n, a(n) for n=1..9.


EXAMPLE

11*12^4 + 1 = 228097, which is prime.


MATHEMATICA

Select[Range[0, 1000], PrimeQ[11*12^# + 1] &]


PROG

(Magma) [n: n in [1..600] IsPrime(11*12^n+1)]; // Vincenzo Librandi, Mar 21 2015
(PARI) is(n)=ispseudoprime(11*12^n+1) \\ Charles R Greathouse IV, Jun 13 2017


CROSSREFS

Cf. A079907.
Sequence in context: A246015 A078504 A066090 * A042891 A032835 A102920
Adjacent sequences: A251256 A251257 A251258 * A251260 A251261 A251262


KEYWORD

nonn,more


AUTHOR

Robert Price, Mar 20 2015


STATUS

approved



