A039032 Numbers whose base-7 representation has the same number of 0's and 3's.

1, 2, 4, 5, 6, 8, 9, 11, 12, 13, 15, 16, 18, 19, 20, 21, 29, 30, 32, 33, 34, 36, 37, 39, 40, 41, 43, 44, 46, 47, 48, 52, 57, 58, 60, 61, 62, 64, 65, 67, 68, 69, 70, 78, 79, 81, 82, 83, 85, 86, 88, 89, 90, 92, 93, 95, 96, 97, 101, 106, 107, 109, 110, 111, 113, 114, 116

Offset

1,2

Links

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

Mathematica

Select[Range[200], DigitCount[#, 7, 0]==DigitCount[#, 7, 3]&] (* Harvey P. Dale, Feb 11 2015 *)

Crossrefs

Cf. A007093.

Sequence in context: A043687 A087118 A249115 * A000062 A247964 A047317

Adjacent sequences: A039029 A039030 A039031 * A039033 A039034 A039035

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved