Numbers k such that (15^k + 4^k)/19 is prime.
A227049
Numbers k such that (15^k + 4^k)/19 is prime.
Terms
- a(0) =3a(1) =31a(2) =157a(3) =239a(4) =1553a(5) =5521a(6) =25561
External references
- oeis: A227049
A227049
Numbers k such that (15^k + 4^k)/19 is prime.