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Search: id:A057520
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A057520 a(n) = A014486[n]/2. In binary expansion there is one more 1 than 0, and reading from the left (the most significant bit) to right, the number of 0's never exceed the number of 1's. +0
3
0, 1, 5, 6, 21, 22, 25, 26, 28, 85, 86, 89, 90, 92, 101, 102, 105, 106, 108, 113, 114, 116, 120, 341, 342, 345, 346, 348, 357, 358, 361, 362, 364, 369, 370, 372, 376, 405, 406, 409, 410, 412, 421, 422, 425, 426, 428, 433, 434, 436, 440, 453, 454, 457, 458, 460 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Sequence in context: A129722 A133608 A072577 this_sequence A060423 A037951 A095308

Adjacent sequences: A057517 A057518 A057519 this_sequence A057521 A057522 A057523

KEYWORD

nonn

AUTHOR

Antti Karttunen Sep 03 2000

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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