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Search: id:A110286
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| 15, 30, 60, 120, 240, 480, 960, 1920, 3840, 7680, 15360, 30720, 61440, 122880, 245760, 491520, 983040, 1966080, 3932160, 7864320, 15728640, 31457280, 62914560, 125829120, 251658240, 503316480, 1006632960, 2013265920
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Autocopy sequence: its first differences are the sequence itself. Doubling the terms gives the same sequence (beginning one step further).
15 times powers of 2. [From Omar E. Pol (info(AT)polprimos.com), Dec 17 2008]
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LINKS
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Index entries for sequences related to linear recurrences with constant coefficients
Tanya Khovanova, Recursive Sequences
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FORMULA
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G.f.: 15/(1-2x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 23 2008]
a(n) = A000079(n)*15 = A007283(n)*5 = A020714(n)*3. [From Omar E. Pol (info(AT)polprimos.com), Dec 17 2008]
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CROSSREFS
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Cf. A007283, A020714, A005009, A005010, A005015, A005029.
Cf. A000079. [From Omar E. Pol (info(AT)polprimos.com), Dec 17 2008]
Sequence in context: A046046 A072304 A115811 this_sequence A127526 A054305 A041442
Adjacent sequences: A110283 A110284 A110285 this_sequence A110287 A110288 A110289
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KEYWORD
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easy,nonn
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AUTHOR
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Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), Sep 07 2005
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EXTENSIONS
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Edited by Omar E. Pol, Dec 16 2008
More terms from Omar E. Pol (info(AT)polprimos.com), Dec 17 2008
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