Squarefree Fibonacci numbers whose indices are also squarefree.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =13a(5) =55a(6) =89a(7) =233a(8) =377a(9) =610a(10) =1597a(11) =4181a(12) =10946a(13) =17711a(14) =28657a(15) =121393a(16) =514229a(17) =1346269a(18) =3524578a(19) =5702887a(20) =9227465a(21) =24157817a(22) =39088169a(23) =63245986a(24) =165580141a(25) =433494437a(26) =1836311903a(27) =2971215073a(28) =20365011074a(29) =53316291173