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A039109
Numbers whose base-9 representation has the same number of 6's and 7's.
0
0, 1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 13, 14, 17, 18, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30, 31, 32, 35, 36, 37, 38, 39, 40, 41, 44, 45, 46, 47, 48, 49, 50, 53, 61, 69, 72, 73, 74, 75, 76, 77, 80, 81, 82, 83, 84, 85, 86, 89, 90, 91, 92, 93, 94, 95, 98, 99, 100, 101, 102
OFFSET
1,3
MATHEMATICA
Select[Range[0, 120], DigitCount[#, 9, 6]==DigitCount[#, 9, 7]&] (* Harvey P. Dale, Jul 10 2019 *)
CROSSREFS
Cf. A007095.
Sequence in context: A039200 A039150 A008539 * A047602 A039076 A037471
KEYWORD
nonn,base,easy
STATUS
approved