OFFSET
0,20
EXAMPLE
Fibonacci(10)=55, so a(10)=0 and Fibonacci(21)=10946, so a(21)=1.
MATHEMATICA
Table[DigitCount[Fibonacci[n]][[1]], {n, 0, 200}] (* Vladimir Joseph Stephan Orlovsky, Jul 01 2011 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Jason Earls, Jul 06 2003
STATUS
approved