Convolution of natural numbers n >= 1 with Fibonacci numbers F(k), k >= 4.

Terms

a(0) =3a(1) =11a(2) =27a(3) =56a(4) =106a(5) =190a(6) =329a(7) =557a(8) =929a(9) =1534a(10) =2516a(11) =4108a(12) =6687a(13) =10863a(14) =17623a(15) =28564a(16) =46270a(17) =74922a(18) =121285a(19) =196305a(20) =317693a(21) =514106a(22) =831912a(23) =1346136a(24) =2178171a(25) =3524435a(26) =5702739a(27) =9227312a(28) =14930194a(29) =24157654