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 A198698 3*10^n-1. 1
 2, 29, 299, 2999, 29999, 299999, 2999999, 29999999, 299999999, 2999999999, 29999999999, 299999999999, 2999999999999, 29999999999999, 299999999999999, 2999999999999999, 29999999999999999, 299999999999999999 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 Index entries for linear recurrences with constant coefficients, signature (11,-10). FORMULA a(n) = 10*a(n-1)+9, a(0)=2. a(n) = 11*a(n-1)-10*a(n-2), n>1. G.f. ( 2+7*x ) / ( (10*x-1)*(x-1) ). - R. J. Mathar, Oct 30 2011 PROG (MAGMA) [3*10^n-1: n in [0..30]] CROSSREFS Cf. A002283, A109002. Sequence in context: A160952 A088615 A091716 * A094940 A152274 A183722 Adjacent sequences:  A198695 A198696 A198697 * A198699 A198700 A198701 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Oct 29 2011 STATUS approved

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Last modified October 18 11:56 EDT 2018. Contains 316321 sequences. (Running on oeis4.)