Semiprimes of the form 2^k - k^2.

A099482

Semiprimes of the form 2^k - k^2.

Terms

    a(0) =1927a(1) =8023a(2) =32543a(3) =2096711a(4) =8388079a(5) =137438952103a(6) =549755812367

External references