Self-composition of the Fibonacci sequence.

Terms

a(0) =0a(1) =1a(2) =2a(3) =6a(4) =17a(5) =50a(6) =147a(7) =434a(8) =1282a(9) =3789a(10) =11200a(11) =33109a(12) =97878a(13) =289354a(14) =855413a(15) =2528850a(16) =7476023a(17) =22101326a(18) =65338038a(19) =193158521a(20) =571033600a(21) =1688143881a(22) =4990651642a(23) =14753839486a(24) =43616704857a(25) =128943855250a(26) =381196100507