A039118 Numbers whose base-10 representation has the same number of 0's and 7's.

1, 2, 3, 4, 5, 6, 8, 9, 11, 12, 13, 14, 15, 16, 18, 19, 21, 22, 23, 24, 25, 26, 28, 29, 31, 32, 33, 34, 35, 36, 38, 39, 41, 42, 43, 44, 45, 46, 48, 49, 51, 52, 53, 54, 55, 56, 58, 59, 61, 62, 63, 64, 65, 66, 68, 69, 70, 81, 82, 83, 84, 85, 86, 88, 89, 91, 92, 93, 94, 95

Offset

1,2

Links

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

Mathematica

Select[Range[100], DigitCount[#, 10, 0]==DigitCount[#, 10, 7]&] (* Harvey P. Dale, Sep 09 2017 *)

Crossrefs

Sequence in context: A000398 A039267 A039206 * A229302 A067314 A066022

Adjacent sequences: A039115 A039116 A039117 * A039119 A039120 A039121

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved