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A043103 Numbers k such that 1 and 2 occur juxtaposed in the base-4 representation of k but not of k-1. 0
6, 9, 22, 24, 36, 41, 54, 57, 70, 73, 86, 88, 96, 118, 121, 134, 137, 144, 164, 169, 182, 185, 198, 201, 214, 216, 228, 233, 246, 249, 262, 265, 278, 280, 292, 297, 310, 313, 326, 329, 342, 344, 352, 374, 377, 384, 454, 457, 470 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A007090.
Sequence in context: A358222 A165717 A239874 * A242756 A268665 A043883
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified July 22 16:45 EDT 2024. Contains 374540 sequences. (Running on oeis4.)