Numbers k such that (7^k + 5^k)/12 is prime.
A128337
Numbers k such that (7^k + 5^k)/12 is prime.
Terms
- a(0) =11a(1) =31a(2) =173a(3) =271a(4) =547a(5) =1823a(6) =2111a(7) =5519a(8) =7793a(9) =22963a(10) =41077a(11) =49739
External references
- oeis: A128337