A043497 Numbers having one 2 in base 10.

2, 12, 20, 21, 23, 24, 25, 26, 27, 28, 29, 32, 42, 52, 62, 72, 82, 92, 102, 112, 120, 121, 123, 124, 125, 126, 127, 128, 129, 132, 142, 152, 162, 172, 182, 192, 200, 201, 203, 204, 205, 206, 207, 208, 209, 210, 211, 213, 214, 215

Offset

1,1

Links

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

Index entries for 10-automatic sequences.

Mathematica

Select[Range[9000], DigitCount[#, 10, 2]==1&] (* Enrique Pérez Herrero, Nov 29 2013 *)

Crossrefs

Cf. A043489, A043493, A043501, A043505, A043509, A043513, A043517, A043521, A043525, A011532.

Sequence in context: A174977 A011532 A277964 * A051804 A352262 A121022

Adjacent sequences: A043494 A043495 A043496 * A043498 A043499 A043500

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved