Hit polynomials; convolution of natural numbers with Fibonacci numbers F(2), F(3), F(4), ....

Terms

a(0) =0a(1) =1a(2) =4a(3) =10a(4) =21a(5) =40a(6) =72a(7) =125a(8) =212a(9) =354a(10) =585a(11) =960a(12) =1568a(13) =2553a(14) =4148a(15) =6730a(16) =10909a(17) =17672a(18) =28616a(19) =46325a(20) =74980a(21) =121346a(22) =196369a(23) =317760a(24) =514176a(25) =831985a(26) =1346212a(27) =2178250a(28) =3524517a(29) =5702824