Numbers k such that 81^k - 9^k - 1 is prime.
A265487
Numbers k such that 81^k - 9^k - 1 is prime.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =18a(4) =70a(5) =585a(6) =921a(7) =1943a(8) =4635a(9) =13543a(10) =13803a(11) =15938a(12) =39004
External references
- oeis: A265487