a(n) = phi(Fibonacci(n)).

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =2a(5) =4a(6) =4a(7) =12a(8) =12a(9) =16a(10) =40a(11) =88a(12) =48a(13) =232a(14) =336a(15) =240a(16) =552a(17) =1596a(18) =1152a(19) =4032a(20) =3200a(21) =5040a(22) =17424a(23) =28656a(24) =12672a(25) =60000a(26) =120640a(27) =89856a(28) =188160a(29) =514228