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A039109 Numbers n such that representation in base 9 has 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..69.

MATHEMATICA

Select[Range[0, 120], DigitCount[#, 9, 6]==DigitCount[#, 9, 7]&] (* Harvey P. Dale, Jul 10 2019 *)

CROSSREFS

Sequence in context: A039200 A039150 A008539 * A047602 A039076 A037471

Adjacent sequences:  A039106 A039107 A039108 * A039110 A039111 A039112

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified April 10 10:11 EDT 2021. Contains 342845 sequences. (Running on oeis4.)