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 A086946 Numbers k such that reverse(k+6) = 2. 3
 14, 194, 1994, 19994, 199994, 1999994, 19999994, 199999994, 1999999994, 19999999994, 199999999994, 1999999999994, 19999999999994, 199999999999994, 1999999999999994, 19999999999999994, 199999999999999994, 1999999999999999994, 19999999999999999994, 199999999999999999994 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS reverse(a(n)) = A086949(n). LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..300 Index entries for linear recurrences with constant coefficients, signature (11,-10). FORMULA a(n) = 2*(10^n-3). From Stefano Spezia, Dec 15 2022: (Start) O.g.f.: 2*x*(7 + 20*x)/((1 - x)*(1 - 10*x)). E.g.f.: 2*(2 - 3*exp(x) + exp(10*x)). a(n) = 11*a(n-1) - 10*a(n-2) for n > 2. (End) PROG (Magma) [2*(10^n-3): n in [1..25] ]; // Vincenzo Librandi, Aug 22 2011 CROSSREFS Cf. A004086, A086949. Sequence in context: A198657 A055759 A275084 * A158530 A348549 A171319 Adjacent sequences: A086943 A086944 A086945 * A086947 A086948 A086949 KEYWORD nonn,base,easy AUTHOR Ray Chandler, Jul 24 2003 STATUS approved

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Last modified May 30 01:11 EDT 2023. Contains 363044 sequences. (Running on oeis4.)