A043632 Numbers whose base-9 representation has exactly 3 runs.

82, 83, 84, 85, 86, 87, 88, 89, 99, 100, 102, 103, 104, 105, 106, 107, 108, 109, 110, 112, 113, 114, 115, 116, 117, 118, 119, 120, 122, 123, 124, 125, 126, 127, 128, 129, 130, 132, 133, 134, 135, 136, 137, 138, 139, 140, 142, 143

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Mathematica

Select[Range[150], Length[Split[IntegerDigits[#, 9]]]==3&] (* Harvey P. Dale, May 11 2019 *)

Crossrefs

Cf. A007095.

Sequence in context: A080534 A080535 A080536 * A296880 A077684 A044982

Adjacent sequences: A043629 A043630 A043631 * A043633 A043634 A043635

Keyword

nonn,base

Author

Clark Kimberling

Status

approved