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A039070 Numbers whose base-8 representation has the same number of 3's and 7's. 0
0, 1, 2, 4, 5, 6, 8, 9, 10, 12, 13, 14, 16, 17, 18, 20, 21, 22, 31, 32, 33, 34, 36, 37, 38, 40, 41, 42, 44, 45, 46, 48, 49, 50, 52, 53, 54, 59, 64, 65, 66, 68, 69, 70, 72, 73, 74, 76, 77, 78, 80, 81, 82, 84, 85, 86, 95, 96, 97, 98, 100, 101, 102, 104, 105, 106, 108, 109 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..68.

MATHEMATICA

Select[Range[200], With[{dc=DigitCount[#, 8]}, dc[[3]]==dc[[7]]&]] (* Harvey P. Dale, Aug 09 2011 *)

CROSSREFS

Sequence in context: A184421 A329978 A329839 * A059553 A249245 A279607

Adjacent sequences:  A039067 A039068 A039069 * A039071 A039072 A039073

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified September 28 06:57 EDT 2021. Contains 347703 sequences. (Running on oeis4.)