A043595 Numbers whose base-4 representation has exactly 4 runs.

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.

Crossrefs

Cf. A007090.

Sequence in context: A259081 A143737 A214601 * A043828 A043836 A043841

Adjacent sequences: A043592 A043593 A043594 * A043596 A043597 A043598

Keyword

nonn,base

Author

Clark Kimberling

Status

approved