

A229542


Numbers n such that (19^n  2^n)/17 is prime.


0




OFFSET

1,1


COMMENTS

All terms are primes.
a(10) > 2*10^5.


LINKS

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


MATHEMATICA

Select[ Prime[ Range[1, 100000] ], PrimeQ[ (19^#  2^#)/17 ]& ]


PROG

(PARI) is(n)=ispseudoprime((19^n2^n)/17) \\ Charles R Greathouse IV, Jun 13 2017


CROSSREFS

Cf. A128032, A225955, A225807, A006035.
Sequence in context: A335410 A106231 A107637 * A039365 A103201 A199338
Adjacent sequences: A229539 A229540 A229541 * A229543 A229544 A229545


KEYWORD

nonn,hard,more


AUTHOR

Robert Price, Sep 25 2013


STATUS

approved



