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A037728
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Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,3,1.
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0
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2, 18, 165, 1486, 13376, 120384, 1083459, 9751132, 87760190, 789841710, 7108575393, 63977178538, 575794606844, 5182151461596, 46639363154367, 419754268389304, 3777788415503738
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OFFSET
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1,1
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LINKS
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FORMULA
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G.f.: ( x*(2+3*x^2+x^3) ) / ( (x-1)*(9*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, Oct 14 2015
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MATHEMATICA
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Table[FromDigits[PadRight[{}, n, {2, 0, 3, 1}], 9], {n, 20}] (* Harvey P. Dale, Jul 11 2024 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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