OFFSET
1,2
LINKS
Michael De Vlieger, Table of n, a(n) for n = 1..5000
EXAMPLE
55 is the 10th Fibonacci number. 1,2,3,4,6,7,8,9,12,13,14,16,... is the sequence of positive integers which are coprime to 55. 13 is the 10th of these integers, so a(10)=13.
MATHEMATICA
Table[Block[{m = Fibonacci@ n, r = {1}, k = 2}, While[Length@ r < n, If[GCD[k, m] == 1, AppendTo[r, k], Nothing]; k++]; Last@ r], {n, 67}] // Flatten (* Michael De Vlieger, Dec 26 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Aug 18 2006
EXTENSIONS
Extended by Ray Chandler, Aug 22 2006
STATUS
approved