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Search: id:A118586
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| A118586 |
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Numbers whose binary expansion contains group of at least two 1's followed by a nonempty group of 0's. |
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+0
1
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| 6, 12, 14, 24, 28, 30, 48, 56, 60, 62, 96, 112, 120, 124, 126, 192, 224, 240, 248, 252, 254, 384, 448, 480, 496, 504, 508, 510, 768, 896, 960, 992, 1008, 1016, 1020, 1022, 1536, 1792, 1920, 1984, 2016, 2032, 2040, 2044, 2046, 3072, 3584, 3840, 3968, 4032
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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All terms are even.
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EXAMPLE
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4080_10=111111110000_2
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MATHEMATICA
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Sort[Flatten[Table[Sum[2^k, {k, k1, k2}], {k1, 1, 10}, {k2, k1+1, 11}]]]
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CROSSREFS
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Cf. A043569.
Sequence in context: A031405 A105773 A079946 this_sequence A113791 A135763 A030659
Adjacent sequences: A118583 A118584 A118585 this_sequence A118587 A118588 A118589
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KEYWORD
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base,nonn
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), May 07 2006
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