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%I #14 Jul 21 2021 13:17:26
%S 2,18,163,1469,13221,118990,1070912,9638208,86743873,780694859,
%T 7026253731,63236283580,569126552222,5122138969998,46099250729983,
%U 414893256569849,3734039309128641,33606353782157770,302457184039419932,2722114656354779388
%N Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,1.
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (9,0,1,-9).
%F G.f.: x*(2+x^2) / ( (x-1)*(9*x-1)*(1+x+x^2) ). - _R. J. Mathar_, Nov 21 2011
%t Table[FromDigits[PadRight[{},n,{2,0,1}],9],{n,20}] (* or *) LinearRecurrence[ {9,0,1,-9},{2,18,163,1469},20] (* _Harvey P. Dale_, May 20 2018 *)
%K nonn,base,easy
%O 1,1
%A _Clark Kimberling_
%E More terms from _Harvey P. Dale_, May 20 2018
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