Numbers of the form 2^(t-1)*(2^t-3), where 2^t-3 is prime.
A181703
Numbers of the form 2^(t-1)*(2^t-3), where 2^t-3 is prime.
Terms
- a(0) =20a(1) =104a(2) =464a(3) =1952a(4) =130304a(5) =522752a(6) =8382464a(7) =134193152a(8) =549754241024
External references
- oeis: A181703