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A043100
Numbers k such that 0 and 1 occur juxtaposed in the base-4 representation of k but not of k-1.
0
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
OFFSET
1,1
CROSSREFS
Cf. A007090.
Sequence in context: A034713 A374001 A101653 * A329853 A078714 A292208
KEYWORD
nonn,base
STATUS
approved