A039048 Numbers whose base-7 representation has the same number of 4's and 6's.

0, 1, 2, 3, 5, 7, 8, 9, 10, 12, 14, 15, 16, 17, 19, 21, 22, 23, 24, 26, 34, 35, 36, 37, 38, 40, 46, 49, 50, 51, 52, 54, 56, 57, 58, 59, 61, 63, 64, 65, 66, 68, 70, 71, 72, 73, 75, 83, 84, 85, 86, 87, 89, 95, 98, 99, 100, 101, 103, 105, 106, 107, 108, 110, 112, 113, 114

Offset

1,3

Links

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

Mathematica

Select[Range[0, 200], DigitCount[#, 7, 4]==DigitCount[#, 7, 6]&] (* Harvey P. Dale, Aug 26 2020 *)

Crossrefs

Cf. A007093.

Sequence in context: A180221 A111292 A047373 * A105764 A226811 A227802

Adjacent sequences: A039045 A039046 A039047 * A039049 A039050 A039051

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved