A043100 - OEIS

A043100

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

4, 16, 33, 36, 49, 52, 64, 97, 100, 113, 116, 129, 132, 144, 161, 164, 177, 180, 193, 196, 208, 225, 228, 241, 244, 256, 353, 356, 369, 372, 385, 388, 400, 417, 420, 433, 436, 449, 452, 464, 481, 484, 497, 500, 513, 516, 528, 545

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A007090.

Sequence in context: A034713 A374001 A101653 * A329853 A078714 A292208

Adjacent sequences: A043097 A043098 A043099 * A043101 A043102 A043103

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved