A043585 Numbers whose base-3 representation has exactly 5 runs.

91, 92, 96, 97, 100, 101, 102, 104, 138, 140, 141, 142, 145, 146, 150, 151, 172, 173, 177, 178, 181, 182, 183, 185, 192, 194, 195, 196, 208, 209, 210, 212, 253, 254, 258, 259, 262, 263, 264, 266, 271, 272, 274, 278, 280, 281

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[300], Length[Split[IntegerDigits[#, 3]]]==5&] (* Harvey P. Dale, Apr 02 2017 *)

Crossrefs

Cf. A007089.

Sequence in context: A087411 A203363 A103847 * A043780 A043790 A043796

Adjacent sequences: A043582 A043583 A043584 * A043586 A043587 A043588

Keyword

nonn,base

Author

Clark Kimberling

Status

approved