A039043 Numbers whose base-7 representation has the same number of 2's and 6's.

0, 1, 3, 4, 5, 7, 8, 10, 11, 12, 20, 21, 22, 24, 25, 26, 28, 29, 31, 32, 33, 35, 36, 38, 39, 40, 44, 49, 50, 52, 53, 54, 56, 57, 59, 60, 61, 69, 70, 71, 73, 74, 75, 77, 78, 80, 81, 82, 84, 85, 87, 88, 89, 93, 104, 111, 125, 132, 139, 140, 141, 143, 144, 145, 147, 148

Offset

1,3

Links

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

Mathematica

Select[Range[0, 150], DigitCount[#, 7, 2]==DigitCount[#, 7, 6]&] (* Harvey P. Dale, Apr 12 2022 *)

Crossrefs

Cf. A007093.

Sequence in context: A063732 A047367 A184620 * A116591 A136119 A184618

Adjacent sequences: A039040 A039041 A039042 * A039044 A039045 A039046

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved