OFFSET
1,1
LINKS
Harry J. Smith, Table of n, a(n) for n = 1..200
MATHEMATICA
Select[LucasL[Range[0, 50]], SquareFreeQ] (* Harvey P. Dale, Jan 20 2020 *)
PROG
(PARI) for(n=0, 50, my(x=fibonacci(n)+2*fibonacci(n-1)); if(issquarefree(x), print1(x, ", ")))
CROSSREFS
KEYWORD
nonn
AUTHOR
Jason Earls, Aug 09 2001
EXTENSIONS
More terms from Dean Hickerson, Aug 22 2001
Offset changed by Andrew Howroyd, Sep 18 2024
STATUS
approved