a(n) = Fibonacci(2*n)*Fibonacci(2*n+2).

Terms

a(0) =0a(1) =3a(2) =24a(3) =168a(4) =1155a(5) =7920a(6) =54288a(7) =372099a(8) =2550408a(9) =17480760a(10) =119814915a(11) =821223648a(12) =5628750624a(13) =38580030723a(14) =264431464440