Numbers k such that 4^(2*k) + 2*k + 1 is a prime.
A301633
Numbers k such that 4^(2*k) + 2*k + 1 is a prime.
Terms
- a(0) =0a(1) =1a(2) =33a(3) =123a(4) =235a(5) =513a(6) =3441a(7) =5836a(8) =71071
External references
- oeis: A301633
A301633
Numbers k such that 4^(2*k) + 2*k + 1 is a prime.