OFFSET
1,6
COMMENTS
a(A001605(n)) = 1.
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..987
Eric Weisstein's World of Mathematics, Fibonacci Number
Wikipedia, Divisibility sequence
FORMULA
MATHEMATICA
nn=70; Join[{1, 1}, With[{fibs=Fibonacci[Range[nn]]}, Table[ Max[ Intersection[ Most[Divisors[fibs[[n]]]], fibs]], {n, 3, nn}]]] (* Harvey P. Dale, Apr 10 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Apr 20 2005
STATUS
approved