A039191 Numbers whose base-11 representation has the same number of 4's and 7's.

0, 1, 2, 3, 5, 6, 8, 9, 10, 11, 12, 13, 14, 16, 17, 19, 20, 21, 22, 23, 24, 25, 27, 28, 30, 31, 32, 33, 34, 35, 36, 38, 39, 41, 42, 43, 51, 55, 56, 57, 58, 60, 61, 63, 64, 65, 66, 67, 68, 69, 71, 72, 74, 75, 76, 81, 88, 89, 90, 91, 93, 94, 96, 97, 98, 99, 100, 101, 102

Offset

1,3

Links

Table of n, a(n) for n=1..69.

Mathematica

Select[Range[0, 150], DigitCount[#, 11, 4]==DigitCount[#, 11, 7]&] (* Harvey P. Dale, Nov 13 2013 *)

Crossrefs

Sequence in context: A086142 A258334 A039249 * A214329 A049386 A188320

Adjacent sequences: A039188 A039189 A039190 * A039192 A039193 A039194

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved