OFFSET
1,2
EXAMPLE
14=2*7 and fibonacci(14)=377, 15=3*5 and fibonacci(15)=610,...
MAPLE
with(combinat, fibonacci): fib_m1dsk := proc(n); if (numtheory[mobius](n)=1) then RETURN(fibonacci(n)); fi; end: seq((fib_m1dsk((i))), i=1..100);
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jani Melik, Oct 07 2002
STATUS
approved