|
| |
|
|
A338525
|
|
Numbers k such that (11^k + 6^k)/17 is prime.
|
|
0
|
| |
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
All terms are prime.
The corresponding primes are 9931, 1162771, ...
|
|
|
LINKS
|
Table of n, a(n) for n=1..7.
Wikipedia, Mersenne prime
|
|
|
MATHEMATICA
|
Select[Range[1, 10000], PrimeQ[(11^# + 6^#)/17] &]
|
|
|
PROG
|
(PARI) for(n=1, 10000, if(isprime((11^n + 6^n)/17), print1(n, ", ")))
(Magma) [n: n in [1..10000] |IsPrime((11^n + 6^n)/17)]
|
|
|
CROSSREFS
|
Cf. A057177, A125957, A128070, A224501, A128340.
Sequence in context: A292847 A088270 A259496 * A267586 A224507 A065927
Adjacent sequences: A338522 A338523 A338524 * A338526 A338527 A338528
|
|
|
KEYWORD
|
nonn,more,hard
|
|
|
AUTHOR
|
Tim Johannes Ohrtmann, Nov 01 2020
|
|
|
STATUS
|
approved
|
| |
|
|
