Smallest i such that i*2^(2)-1, ..., i*2^(n+2)-1 are primes.
A101236
Smallest i such that i*2^(2)-1, ..., i*2^(n+2)-1 are primes.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =45a(4) =45a(5) =15855a(6) =280665a(7) =4774980a(8) =4393585185a(9) =6522452145a(10) =166260770280
External references
- oeis: A101236