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A037770
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Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,2,1.
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0
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3, 27, 245, 2206, 19857, 178713, 1608419, 14475772, 130281951, 1172537559, 10552838033, 94975542298, 854779880685, 7693018926165, 69237170335487, 623134533019384, 5608210797174459
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..17.
Index entries for linear recurrences with constant coefficients, signature (9,0,0,1,-9).
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FORMULA
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G.f.: x*(3+2*x^2+x^3) / ( (x-1)*(9*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, May 02 2015
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CROSSREFS
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Sequence in context: A168495 A037763 A037651 * A037658 A163474 A235373
Adjacent sequences: A037767 A037768 A037769 * A037771 A037772 A037773
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KEYWORD
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nonn,base,easy
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AUTHOR
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Clark Kimberling
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STATUS
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approved
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