Real part of (1 + 2i)^(2^n) where i is sqrt(-1).

A120905

Real part of (1 + 2i)^(2^n) where i is sqrt(-1).

Terms

    a(0) =1a(1) =-3a(2) =-7a(3) =-527a(4) =164833a(5) =-98248054847

External references