Fibonacci frequency of n.

Terms

a(0) =0a(1) =4a(2) =3a(3) =2a(4) =3a(5) =1a(6) =2a(7) =2a(8) =1a(9) =2a(10) =3a(11) =1a(12) =3a(13) =2a(14) =3a(15) =1a(16) =2a(17) =1a(18) =2a(19) =2a(20) =2a(21) =2a(22) =2a(23) =0a(24) =3a(25) =3a(26) =2a(27) =2a(28) =3a(29) =1