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

Terms

a(0) =0a(1) =2a(2) =3a(3) =10a(4) =24a(5) =65a(6) =168a(7) =442a(8) =1155a(9) =3026a(10) =7920a(11) =20737a(12) =54288a(13) =142130a(14) =372099a(15) =974170a(16) =2550408a(17) =6677057a(18) =17480760a(19) =45765226a(20) =119814915a(21) =313679522a(22) =821223648a(23) =2149991425a(24) =5628750624a(25) =14736260450a(26) =38580030723a(27) =101003831722a(28) =264431464440a(29) =692290561601