Fibonacci entry points: a(n) = least k >= 1 such that n divides Fibonacci number F_k (=A000045(k)).

Terms

a(0) =1a(1) =3a(2) =4a(3) =6a(4) =5a(5) =12a(6) =8a(7) =6a(8) =12a(9) =15a(10) =10a(11) =12a(12) =7a(13) =24a(14) =20a(15) =12a(16) =9a(17) =12a(18) =18a(19) =30a(20) =8a(21) =30a(22) =24a(23) =12a(24) =25a(25) =21a(26) =36a(27) =24a(28) =14a(29) =60