Convolution of Fibonacci numbers and composite numbers.

Terms

a(0) =4a(1) =10a(2) =22a(3) =41a(4) =73a(5) =126a(6) =213a(7) =354a(8) =583a(9) =955a(10) =1558a(11) =2534a(12) =4114a(13) =6672a(14) =10811a(15) =17509a(16) =28347a(17) =45884a(18) =74261a(19) =120177a(20) =194471a(21) =314682a(22) =509188a(23) =823906a(24) =1333132a(25) =2157077a(26) =3490249a(27) =5647368a(28) =9137661