a(n) = Fibonacci(n+1)*Fibonacci(2n).

Terms

a(0) =1a(1) =6a(2) =24a(3) =105a(4) =440a(5) =1872a(6) =7917a(7) =33558a(8) =142120a(9) =602085a(10) =2550384a(11) =10803744a(12) =45765161a(13) =193864710a(14) =821223480a(15) =3478759473a(16) =14736260008a(17) =62423801712a(18) =264431463285