Numbers k such that (9^k + 9*k)/9 is prime.
A370663
Numbers k such that (9^k + 9*k)/9 is prime.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =10a(5) =28a(6) =1348a(7) =1424a(8) =12838
External references
- oeis: A370663
A370663
Numbers k such that (9^k + 9*k)/9 is prime.