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A140117
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Numbers n for which A140116(n) uses fewer symbols than A007088(n).
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1
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2, 4, 8, 15, 16, 31, 32, 33, 34, 63, 64, 65, 66, 68, 72, 125, 126, 127, 128, 129, 130, 131, 132, 136, 144, 160, 192, 247, 251, 253, 254, 255, 256, 257, 258, 259, 260, 264, 272, 288, 320, 384, 503, 507, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 520, 521
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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The representation of n given by A140116(n) is more compact than the standard binary form of n for these numbers consisting of a sufficiently large proportion of 0's or of 1's among their bits.
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LINKS
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EXAMPLE
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See also examples for A140116. 2180 is a term here as 2180 = 100010000100 (base 2), which uses 12 symbols, but A140116(2180) = 10112111210, which uses only 11 symbols including the two delimiter symbols (for which 2 is used).
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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