Convolution of Fibonacci F(n+1), n >= 0, with F(n+3), n >= 0.

Terms

a(0) =2a(1) =5a(2) =12a(3) =25a(4) =50a(5) =96a(6) =180a(7) =331a(8) =600a(9) =1075a(10) =1908a(11) =3360a(12) =5878a(13) =10225a(14) =17700a(15) =30509a(16) =52390a(17) =89664a(18) =153000a(19) =260375a(20) =442032a(21) =748775a(22) =1265832a(23) =2136000a(24) =3598250a(25) =6052061a(26) =10164540a(27) =17048641a(28) =28559450a(29) =47786400