A039075 - OEIS

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A039075

Numbers whose base-8 representation has the same number of 5's and 7's.

0, 1, 2, 3, 4, 6, 8, 9, 10, 11, 12, 14, 16, 17, 18, 19, 20, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 47, 48, 49, 50, 51, 52, 54, 61, 64, 65, 66, 67, 68, 70, 72, 73, 74, 75, 76, 78, 80, 81, 82, 83, 84, 86, 88, 89, 90, 91, 92, 94, 96, 97, 98, 99, 100, 102, 111

(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[#, 8, 5]==DigitCount[#, 8, 7]&] (* Harvey P. Dale, Jul 21 2011 *)

CROSSREFS

Sequence in context: A039107 A317544 A047420 * A050078 A075449 A342559

Adjacent sequences: A039072 A039073 A039074 * A039076 A039077 A039078

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved