a(n) = (F(8*n+3) - 2)/3, where F = A000045 (the Fibonacci sequence).

A049657

a(n) = (F(8*n+3) - 2)/3, where F = A000045 (the Fibonacci sequence).

Terms

    a(0) =0a(1) =29a(2) =1393a(3) =65472a(4) =3075821a(5) =144498145a(6) =6788337024a(7) =318907342013

External references