a(n) = F(12*n)/(24*L(2*n)), n >= 0, with F = A000045 (Fibonacci) and L = A000032 (Lucas).

A215043

a(n) = F(12*n)/(24*L(2*n)), n >= 0, with F = A000045 (Fibonacci) and L = A000032 (Lucas).

Terms

    a(0) =0a(1) =2a(2) =276a(3) =34561a(4) =4261992a(5) =524393210a(6) =64499742738

External references