A039031 Numbers whose base-7 representation has the same number of 0's and 2's.

1, 3, 4, 5, 6, 8, 10, 11, 12, 13, 14, 22, 24, 25, 26, 27, 29, 31, 32, 33, 34, 36, 38, 39, 40, 41, 43, 45, 46, 47, 48, 51, 57, 59, 60, 61, 62, 63, 71, 73, 74, 75, 76, 78, 80, 81, 82, 83, 85, 87, 88, 89, 90, 92, 94, 95, 96, 97, 99, 101, 102, 103, 104, 105, 119, 126, 133, 140

Offset

1,2

Links

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Mathematica

Select[Range[150], DigitCount[#, 7, 0]==DigitCount[#, 7, 2]&] (* Harvey P. Dale, Sep 22 2019 *)

Crossrefs

Cf. A007093.

Sequence in context: A103605 A375593 A098171 * A047309 A121502 A180644

Adjacent sequences: A039028 A039029 A039030 * A039032 A039033 A039034

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved