A043839 Numbers n such that number of runs in the base 4 representation of n is congruent to 2 mod 6.

4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 20, 22, 23, 26, 31, 32, 37, 40, 41, 43, 47, 48, 53, 58, 60, 61, 62, 64, 80, 84, 86, 87, 90, 95, 106, 127, 128, 149, 160, 165, 168, 169, 171, 175, 191, 192, 213, 234, 240, 245, 250, 252, 253, 254, 256

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Mathematica

Select[Range[300], Mod[Length[Split[IntegerDigits[#, 4]]], 6]==2&] (* Harvey P. Dale, May 20 2019 *)

Crossrefs

Sequence in context: A043827 A043830 A043834 * A043845 A043852 A043860

Adjacent sequences: A043836 A043837 A043838 * A043840 A043841 A043842

Keyword

nonn,base

Author

Clark Kimberling

Status

approved