A043493 Numbers that contain a single 1.

1, 10, 12, 13, 14, 15, 16, 17, 18, 19, 21, 31, 41, 51, 61, 71, 81, 91, 100, 102, 103, 104, 105, 106, 107, 108, 109, 120, 122, 123, 124, 125, 126, 127, 128, 129, 130, 132, 133, 134, 135, 136, 137, 138, 139, 140, 142, 143, 144, 145

Offset

1,2

Links

Enrique Pérez Herrero, Table of n, a(n) for n = 1..2000

Index entries for 10-automatic sequences.

Formula

a(n) >> n^k where k = log(10)/log(9) = 1.04795.... - Charles R Greathouse IV, Jan 21 2025

Mathematica

Select[Range[9000], DigitCount[#, 10, 1]==1&] (* Enrique Pérez Herrero, Nov 29 2013 *)

Crossrefs

A178550 is a subsequence.

Cf. A043489, A043497, A043501, A043505, A043509, A043513, A043517, A043521, A043525, A011531.

Sequence in context: A102357 A102850 A350445 * A105959 A059504 A367797

Adjacent sequences: A043490 A043491 A043492 * A043494 A043495 A043496

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved