A043875 Numbers n such that number of runs in the base 4 representation of n is congruent to 8 mod 10.

17476, 17478, 17479, 17480, 17481, 17483, 17484, 17485, 17486, 17505, 17506, 17507, 17508, 17510, 17511, 17516, 17517, 17518, 17521, 17522, 17523, 17524, 17526, 17527, 17528, 17529, 17531, 17540, 17542, 17543

Offset

1,1

Comments

Superset of A043599. Differs from A043866 because there are numbers with 17 or 18 runs, for example. Differs from A043850 because there are numbers with 16 or 18 runs, for example. [From R. J. Mathar, Oct 20 2008]

Links

Table of n, a(n) for n=1..30.

Mathematica

Select[Range[18000], Mod[Length[Split[IntegerDigits[#, 4]]], 10]==8&] (* Harvey P. Dale, Oct 05 2017 *)

Crossrefs

Sequence in context: A043599 A043850 A043866 * A236806 A048256 A303996

Adjacent sequences: A043872 A043873 A043874 * A043876 A043877 A043878

Keyword

nonn,base

Author

Clark Kimberling

Status

approved