A039218 Numbers whose base-12 representation has the same number of 0's and 9's.

1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 46, 47, 49, 50, 51, 52, 53, 54, 55, 56, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 70, 71, 73, 74, 75, 76, 77, 78, 79, 80, 82, 83

Offset

1,2

Links

Table of n, a(n) for n=1..70.

Mathematica

Select[Range[120], DigitCount[#, 12, 0]==DigitCount[#, 12, 9]&] (* Harvey P. Dale, May 14 2011 *)

Crossrefs

Sequence in context: A259627 A250475 A131565 * A076487 A317717 A356841

Adjacent sequences: A039215 A039216 A039217 * A039219 A039220 A039221

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved