A039084 Numbers whose base-9 representation has the same number of 1's and 2's.

0, 3, 4, 5, 6, 7, 8, 11, 19, 27, 30, 31, 32, 33, 34, 35, 36, 39, 40, 41, 42, 43, 44, 45, 48, 49, 50, 51, 52, 53, 54, 57, 58, 59, 60, 61, 62, 63, 66, 67, 68, 69, 70, 71, 72, 75, 76, 77, 78, 79, 80, 83, 99, 102, 103, 104, 105, 106, 107, 110, 119, 128, 137, 146, 155, 163

Offset

1,2

Links

Table of n, a(n) for n=1..66.

Mathematica

Select[Range[0, 170], DigitCount[#, 9, 1]==DigitCount[#, 9, 2]&]  (* Harvey P. Dale, Mar 23 2011 *)

Crossrefs

Cf. A007095.

Sequence in context: A051016 A044951 A138308 * A277641 A085627 A057825

Adjacent sequences: A039081 A039082 A039083 * A039085 A039086 A039087

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved