A039193 Numbers whose base-11 representation has the same number of 4's and 9's.

0, 1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 21, 22, 23, 24, 25, 27, 28, 29, 30, 32, 33, 34, 35, 36, 38, 39, 40, 41, 43, 53, 55, 56, 57, 58, 60, 61, 62, 63, 65, 66, 67, 68, 69, 71, 72, 73, 74, 76, 77, 78, 79, 80, 82, 83, 84, 85, 87, 88, 89, 90, 91, 93, 94

Offset

1,3

Links

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

Mathematica

Select[Range[0, 100], DigitCount[#, 11, 4]==DigitCount[#, 11, 9]&] (* Harvey P. Dale, Jul 14 2011 *)

Crossrefs

Sequence in context: A029598 A184004 A183292 * A028798 A138309 A184514

Adjacent sequences: A039190 A039191 A039192 * A039194 A039195 A039196

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved