

A128352


Numbers n such that (17^n  5^n)/12 is prime.


19




OFFSET

1,1


COMMENTS

All terms are primes.
a(10) > 10^5.  Robert Price, Jun 11 2013


LINKS

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


MATHEMATICA

k=17; Do[p=Prime[n]; f=(k^p5^p)/(k5); If[ PrimeQ[f], Print[p] ], {n, 1, 100}]


CROSSREFS

Cf. A062572, A128344, A128345, A128346, A128347, A128348, A128349, A128350, A128351, A128353, A128354. Cf. A004061, A082182, A121877, A059802. Cf. A057171, A082387, A122853, A128335, A128336, A128337, A128338, A128339, A128340, A128341, A128342.
Sequence in context: A214345 A166109 A157755 * A025085 A175238 A240030
Adjacent sequences: A128349 A128350 A128351 * A128353 A128354 A128355


KEYWORD

nonn,hard,more


AUTHOR

Alexander Adamchuk, Feb 27 2007


STATUS

approved



