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Search: id:A043880
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A043880 Numbers n such that 0 and 1 occur juxtaposed in the base 4 representation of n but not of n+1. +0
1
4, 20, 33, 36, 49, 52, 84, 97, 100, 113, 116, 129, 135, 148, 161, 164, 177, 180, 193, 199, 212, 225, 228, 241, 244, 340, 353, 356, 369, 372, 385, 391, 404, 417, 420, 433, 436, 449, 455, 468, 481, 484, 497, 500, 513, 519, 543, 545 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A097251 A079454 A115428 this_sequence A030002 A085805 A119413

Adjacent sequences: A043877 A043878 A043879 this_sequence A043881 A043882 A043883

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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