A031470 Numbers whose base-5 representation has the same number of 0's as 4's.

1, 2, 3, 6, 7, 8, 11, 12, 13, 16, 17, 18, 20, 29, 31, 32, 33, 36, 37, 38, 41, 42, 43, 45, 54, 56, 57, 58, 61, 62, 63, 66, 67, 68, 70, 79, 81, 82, 83, 86, 87, 88, 91, 92, 93, 95, 101, 102, 103, 105, 110, 115, 134, 139, 144, 146, 147, 148

Offset

1,2

Links

Table of n, a(n) for n=1..58.

Mathematica

Select[Range[200], DigitCount[#, 5, 0]==DigitCount[#, 5, 4]&] (* Harvey P. Dale, May 30 2019 *)

Crossrefs

Cf. A007091.

Sequence in context: A015841 A371276 A175893 * A047223 A004435 A008321

Adjacent sequences: A031467 A031468 A031469 * A031471 A031472 A031473

Keyword

nonn,base

Author

Clark Kimberling

Status

approved