A228573 Numbers n such that (17^n + 16^n)/33 is prime.

41, 97, 1459, 89227, 91837

Offset

1,1

Comments

All terms are primes.

a(6) > 10^5.

Links

Table of n, a(n) for n=1..5.

Mathematica

Select[ Prime[ Range[1, 100000] ], PrimeQ[ (17^# + 16^#)/33 ]& ]

Prog

(PARI) is(n)=ispseudoprime((17^n+16^n)/33) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Cf. A227170, A221637, A228558, A227046.

Sequence in context: A256485 A260556 A142658 * A273363 A309934 A126588

Adjacent sequences: A228570 A228571 A228572 * A228574 A228575 A228576

Keyword

hard,nonn,more

Author

Robert Price, Aug 25 2013

Status

approved