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A022352
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Fibonacci sequence beginning 0 18.
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0
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0, 18, 18, 36, 54, 90, 144, 234, 378, 612, 990, 1602, 2592, 4194, 6786, 10980, 17766, 28746, 46512, 75258, 121770, 197028, 318798, 515826, 834624, 1350450, 2185074, 3535524, 5720598, 9256122, 14976720
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OFFSET
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0,2
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LINKS
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Table of n, a(n) for n=0..30.
Tanya Khovanova, Recursive Sequences
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FORMULA
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G.f.: 18*x/(1-x-x^2). [From Philippe DELEHAM, Nov 20 2008]
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MATHEMATICA
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a={}; b=0; c=18; AppendTo[a, b]; AppendTo[a, c]; Do[b=b+c; AppendTo[a, b]; c=b+c; AppendTo[a, c], {n, 4!}]; a [From Vladimir Joseph Stephan Orlovsky, Sep 17 2008]
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CROSSREFS
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Sequence in context: A010857 A158910 A040307 * A211411 A050686 A165839
Adjacent sequences: A022349 A022350 A022351 * A022353 A022354 A022355
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane.
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STATUS
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approved
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