a(1) = 1, a(2) = 2; thereafter a(2n+1) = |a(2n)^2-a(2n-1)^2|, a(2n+2) = 2*a(2n-1)*a(2n).
A100686
a(1) = 1, a(2) = 2; thereafter a(2n+1) = |a(2n)^2-a(2n-1)^2|, a(2n+2) = 2*a(2n-1)*a(2n).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =7a(5) =24a(6) =527a(7) =336a(8) =164833a(9) =354144a(10) =98248054847a(11) =116749235904
External references
- oeis: A100686