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 A067424 Ninth column of triangle A067417. 3
 1, 11, 297, 8019, 216513, 5845851, 157837977, 4261625379, 115063885233, 3106724901291, 83881572334857, 2264802453041139, 61149666232110753, 1651040988266990331, 44578106683208738937, 1203608880446635951299 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..700 Index entries for linear recurrences with constant coefficients, signature (27). FORMULA a(n) = A067417(n+8, 8). a(n) = 11*(3*9)^(n-1), n >= 1, a(0)=1. G.f.: (1-16*x)/(1-27*x). E.g.f.: (16 + 11*exp(27*x))/27. - Stefano Spezia, Sep 30 2022 MATHEMATICA CoefficientList[Series[(1-16x)/(1-27x), {x, 0, 30}], x] (* or *) LinearRecurrence[{27}, {1, 11}, 20] (* Harvey P. Dale, Apr 20 2022 *) PROG (Magma) [Ceiling(11*(3*9)^(n-1)): n in [0..20]]; // Vincenzo Librandi, Oct 02 2011 CROSSREFS Cf. A067417, A067423 (eighth column), A009971 (powers of 27). Sequence in context: A350938 A165390 A213256 * A001538 A101269 A012184 Adjacent sequences: A067421 A067422 A067423 * A067425 A067426 A067427 KEYWORD nonn,easy AUTHOR Wolfdieter Lang, Jan 25 2002 STATUS approved

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Last modified June 2 02:01 EDT 2023. Contains 363081 sequences. (Running on oeis4.)