A043840 Numbers n such that number of runs in the base 4 representation of n is congruent to 3 mod 6.

17, 18, 19, 24, 25, 27, 28, 29, 30, 33, 34, 35, 36, 38, 39, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56, 57, 59, 65, 66, 67, 69, 74, 79, 81, 82, 83, 88, 89, 91, 92, 93, 94, 96, 101, 104, 105, 107, 111, 112, 117, 122, 124, 125, 126, 129, 130

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Mathematica

Select[Range[200], Mod[Length[Split[IntegerDigits[#, 4]]], 6]==3&] (* Harvey P. Dale, Aug 20 2021 *)

Crossrefs

Sequence in context: A043825 A043831 A043835 * A043846 A043853 A043861

Adjacent sequences: A043837 A043838 A043839 * A043841 A043842 A043843

Keyword

nonn,base

Author

Clark Kimberling

Status

approved