a(n) = 2^p - p^2 where p is the n-th prime.

A098105

a(n) = 2^p - p^2 where p is the n-th prime.

Terms

    a(0) =0a(1) =-1a(2) =7a(3) =79a(4) =1927a(5) =8023a(6) =130783a(7) =523927a(8) =8388079a(9) =536870071a(10) =2147482687a(11) =137438952103

External references