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A030275
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Denominators of sequence {b(1), b(2),...} which when COMPOSED with itself gives {1,2,3,...}.
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2
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1, 1, 2, 4, 8, 1, 16, 64, 128, 128, 256, 512, 1024, 2048, 2048, 16384, 32768, 32768, 65536, 131072, 262144, 131072, 524288, 2097152, 4194304, 4194304, 8388608, 2097152, 16777216, 134217728
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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LINKS
| N. J. A. Sloane, Transforms
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EXAMPLE
| [ 1, 1, 1/2, 1/4, 1/8, 0, 1/16, 3/64, -29/128, 25/128, 263/256, -1481/512, -5493/1024, 80505/2048 ]
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CROSSREFS
| Cf. A030274, A091138.
Sequence in context: A102256 A000455 A097888 * A097874 A097885 A097892
Adjacent sequences: A030272 A030273 A030274 * A030276 A030277 A030278
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KEYWORD
| nonn,frac
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Dec 19 2003
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