A043457 Numbers having one 1 in base 9.

1, 9, 11, 12, 13, 14, 15, 16, 17, 19, 28, 37, 46, 55, 64, 73, 81, 83, 84, 85, 86, 87, 88, 89, 99, 101, 102, 103, 104, 105, 106, 107, 108, 110, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121, 122, 123, 124, 125, 126, 128, 129, 130

Offset

1,2

Links

Table of n, a(n) for n=1..52.

Mathematica

Select[Range[150], DigitCount[#, 9, 1]==1&] (* Harvey P. Dale, Aug 15 2011 *)

Crossrefs

Cf. A007095.

Sequence in context: A031954 A043631 A043698 * A202707 A031078 A216292

Adjacent sequences: A043454 A043455 A043456 * A043458 A043459 A043460

Keyword

nonn,base

Author

Clark Kimberling

Status

approved