OFFSET
1,5
FORMULA
MAPLE
A020912 := proc(n) nops(convert(combinat[fibonacci](n), base, 4)) ; end: seq(A020912(n), n=1..120) ; # R. J. Mathar, Feb 18 2008
MATHEMATICA
Length/@IntegerDigits[Fibonacci[Range[80]], 4] (* Harvey P. Dale, Jul 27 2011 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
EXTENSIONS
More terms from R. J. Mathar, Feb 18 2008
STATUS
approved