Numbers k such that 4^k*(2^k - 1) + 1 is a prime.
A098856
Numbers k such that 4^k*(2^k - 1) + 1 is a prime.
Terms
- a(0) =1a(1) =3a(2) =19a(3) =34a(4) =51a(5) =318a(6) =3670a(7) =6348a(8) =33292a(9) =48582a(10) =50235a(11) =50964
External references
- oeis: A098856