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A043515
Numbers having three 6's in base 10.
3
666, 1666, 2666, 3666, 4666, 5666, 6066, 6166, 6266, 6366, 6466, 6566, 6606, 6616, 6626, 6636, 6646, 6656, 6660, 6661, 6662, 6663, 6664, 6665, 6667, 6668, 6669, 6676, 6686, 6696, 6766, 6866, 6966, 7666, 8666, 9666, 10666
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[0, 10^7], DigitCount[#, 10, 6]==3&] (* Vincenzo Librandi, Sep 25 2017 *)
CROSSREFS
Sequence in context: A133562 A202445 A062045 * A051003 A183655 A104181
KEYWORD
nonn,base
STATUS
approved