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Search: id:A110288
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| 19, 38, 76, 152, 304, 608, 1216, 2432, 4864, 9728, 19456, 38912, 77824, 155648, 311296, 622592, 1245184, 2490368, 4980736, 9961472, 19922944, 39845888, 79691776, 159383552, 318767104, 637534208, 1275068416, 2550136832
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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).
19 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.: 19/(1-2x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 23 2008]
a(n) = A000079(n)*19. [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: A048844 A008601 A033900 this_sequence A050813 A041712 A041710
Adjacent sequences: A110285 A110286 A110287 this_sequence A110289 A110290 A110291
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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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