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A072320
Smallest Fibonacci number containing exactly n 3's.
0
3, 233, 433494437, 806515533049393, 1264937032042997393488322, 131151201344081895336534324866, 184551825793033096366333, 5972304273877744135569338397692020533504, 205697230343233228174223751303346572685, 1001919737325604309473206237898433933302481297
OFFSET
1,1
EXAMPLE
a(2)=233 so 233 is the smallest Fibonacci number containing exactly two 3's.
MATHEMATICA
With[{fibs=Fibonacci[Range[1000]]}, Flatten[Table[Select[fibs, DigitCount[ #, 10, 3] == n&, 1], {n, 10}]]] (* Harvey P. Dale, May 05 2013 *)
CROSSREFS
Sequence in context: A100201 A159807 A065580 * A162603 A252585 A339751
KEYWORD
base,nonn
AUTHOR
Shyam Sunder Gupta, Jul 14 2002
EXTENSIONS
More terms from Harvey P. Dale, May 05 2013
STATUS
approved