Numbers k such that 2^(2k+1) + 2^(k+1) + 1 is prime.
A006599
Numbers k such that 2^(2k+1) + 2^(k+1) + 1 is prime.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =5a(4) =9a(5) =14a(6) =78a(7) =81a(8) =141a(9) =189a(10) =498a(11) =5070a(12) =7349a(13) =38645a(14) =42618a(15) =53346
External references
- oeis: A006599