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A043483
Numbers having three 7's in base 9.
0
637, 1366, 2095, 2824, 3553, 4282, 5011, 5173, 5254, 5335, 5416, 5497, 5578, 5659, 5677, 5686, 5695, 5704, 5713, 5722, 5731, 5733, 5734, 5735, 5736, 5737, 5738, 5739, 5741, 5749, 5821, 6469, 7198, 7927, 8656, 9385, 10114
OFFSET
1,1
MATHEMATICA
Select[Range[11000], DigitCount[#, 9, 7]==3&] (* Harvey P. Dale, Mar 12 2016 *)
CROSSREFS
Cf. A007095.
Sequence in context: A251039 A203054 A198774 * A203042 A203887 A203880
KEYWORD
nonn,base
STATUS
approved