A043841 Number of runs in the base 4 representation of n is congruent to 4 mod 6.

68, 70, 71, 72, 73, 75, 76, 77, 78, 97, 98, 99, 100, 102, 103, 108, 109, 110, 113, 114, 115, 116, 118, 119, 120, 121, 123, 132, 134, 135, 136, 137, 139, 140, 141, 142, 145, 146, 147, 152, 153, 155, 156, 157, 158, 177, 178, 179

Offset

1,1

Links

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

Mathematica

Select[Range[200], Mod[Length[Split[IntegerDigits[#, 4]]], 6]==4&] (* Harvey P. Dale, Jul 04 2012 *)

Crossrefs

Sequence in context: A043595 A043828 A043836 * A043847 A043854 A043862

Adjacent sequences: A043838 A043839 A043840 * A043842 A043843 A043844

Keyword

nonn,base

Author

Clark Kimberling

Status

approved