Self-convolution of Fibonacci numbers.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =5a(5) =10a(6) =20a(7) =38a(8) =71a(9) =130a(10) =235a(11) =420a(12) =744a(13) =1308a(14) =2285a(15) =3970a(16) =6865a(17) =11822a(18) =20284a(19) =34690a(20) =59155a(21) =100610a(22) =170711a(23) =289032a(24) =488400a(25) =823800a(26) =1387225a(27) =2332418a(28) =3916061a(29) =6566290