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A039077 Numbers n such that representation in base 9 has same number of 0's and 1's. 0
2, 3, 4, 5, 6, 7, 8, 9, 20, 21, 22, 23, 24, 25, 26, 29, 30, 31, 32, 33, 34, 35, 38, 39, 40, 41, 42, 43, 44, 47, 48, 49, 50, 51, 52, 53, 56, 57, 58, 59, 60, 61, 62, 65, 66, 67, 68, 69, 70, 71, 74, 75, 76, 77, 78, 79, 80, 83, 84, 85, 86, 87, 88, 89, 99, 108, 117, 126, 135 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[150], DigitCount[#, 9, 0]==DigitCount[#, 9, 1]&] (* Harvey P. Dale, Dec 23 2011 *)

CROSSREFS

Sequence in context: A118761 A024657 A140281 * A247803 A052383 A110803

Adjacent sequences:  A039074 A039075 A039076 * A039078 A039079 A039080

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified June 13 22:55 EDT 2021. Contains 345016 sequences. (Running on oeis4.)