Primes of the form 4^k - 2^(k+1) - 1.
A091516
Primes of the form 4^k - 2^(k+1) - 1.
Terms
- a(0) =7a(1) =47a(2) =223a(3) =3967a(4) =16127a(5) =1046527a(6) =16769023a(7) =1073676287a(8) =68718952447a(9) =274876858367
External references
- oeis: A091516
A091516
Primes of the form 4^k - 2^(k+1) - 1.