Numbers k such that (6^k)*(2^k - 1) + 1 is prime.
A098864
Numbers k such that (6^k)*(2^k - 1) + 1 is prime.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =15a(5) =46a(6) =58a(7) =74a(8) =262a(9) =898a(10) =13110a(11) =20256a(12) =21632
External references
- oeis: A098864