Integer part of square root of n-th Fibonacci number.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =2a(7) =3a(8) =4a(9) =5a(10) =7a(11) =9a(12) =12a(13) =15a(14) =19a(15) =24a(16) =31a(17) =39a(18) =50a(19) =64a(20) =82a(21) =104a(22) =133a(23) =169a(24) =215a(25) =273a(26) =348a(27) =443a(28) =563a(29) =717