a(n) = sqrt(5*b(n)^2 - 4), with b(n) = A134493(n) = Fibonacci(6*n+1), n >= 0.

A305315

a(n) = sqrt(5*b(n)^2 - 4), with b(n) = A134493(n) = Fibonacci(6*n+1), n >= 0.

Terms

    a(0) =1a(1) =29a(2) =521a(3) =9349a(4) =167761a(5) =3010349a(6) =54018521a(7) =969323029a(8) =17393796001a(9) =312119004989

External references