A043836 Number of runs in the base 4 representation of n is congruent to 4 mod 5.

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]]], 5]==4&] (* Harvey P. Dale, Jun 12 2019 *)

Crossrefs

Sequence in context: A214601 A043595 A043828 * A043841 A043847 A043854

Adjacent sequences: A043833 A043834 A043835 * A043837 A043838 A043839

Keyword

nonn,base

Author

Clark Kimberling

Status

approved