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A039042 Numbers whose base-7 representation has the same number of 2's and 5's. 1
0, 1, 3, 4, 6, 7, 8, 10, 11, 13, 19, 21, 22, 24, 25, 27, 28, 29, 31, 32, 34, 37, 42, 43, 45, 46, 48, 49, 50, 52, 53, 55, 56, 57, 59, 60, 62, 68, 70, 71, 73, 74, 76, 77, 78, 80, 81, 83, 86, 91, 92, 94, 95, 97, 103, 110, 124, 131, 133, 134, 136, 137, 139, 145, 147, 148 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[0, 200], DigitCount[#, 7, 2]==DigitCount[#, 7, 5]&] (* Harvey P. Dale, Dec 19 2016 *)

CROSSREFS

Sequence in context: A184578 A022846 A083922 * A007378 A274829 A087758

Adjacent sequences:  A039039 A039040 A039041 * A039043 A039044 A039045

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified September 18 19:30 EDT 2021. Contains 347534 sequences. (Running on oeis4.)