A043881 Numbers k such that 0 and 2 occur juxtaposed in the base-4 representation of k but not of k+1.

8, 18, 24, 35, 40, 50, 56, 66, 75, 82, 88, 99, 104, 114, 120, 143, 146, 152, 163, 168, 178, 184, 194, 203, 210, 216, 227, 232, 242, 248, 258, 267, 274, 280, 303, 306, 312, 322, 331, 338, 344, 355, 360, 370, 376, 399, 402, 408, 419

Offset

1,1

Links

Table of n, a(n) for n=1..49.

Crossrefs

Cf. A007090.

Sequence in context: A171607 A039278 A045043 * A201023 A199989 A201056

Adjacent sequences: A043878 A043879 A043880 * A043882 A043883 A043884

Keyword

nonn,base

Author

Clark Kimberling

Status

approved