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 A074576 a(n) = 5^n + 8^n + 9^n. 1
 3, 22, 170, 1366, 11282, 94942, 809210, 6958246, 60214562, 523591342, 4570291850, 40019822326, 351393153842, 3092842345342, 27280942481690, 241106021761606, 2134647753453122, 18929744452804942, 168112848503746730 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..300 Index entries for linear recurrences with constant coefficients, signature (22,-157,360). FORMULA From Mohammad K. Azarian, Dec 30 2008: (Start) G.f.: 1/(1-5*x) + 1/(1-8*x) + 1/(1-9*x). E.g.f.: e^(5*x) + e^(8*x) + e^(9*x). (End) MATHEMATICA Table[5^n + 8^n + 9^n, {n, 0, 20}] LinearRecurrence[{22, -157, 360}, {3, 22, 170}, 30] (* Harvey P. Dale, Feb 15 2017 *) PROG (MAGMA) [5^n + 8^n + 9^n: n in [0..20]]; // Vincenzo Librandi, May 20 2011 CROSSREFS Cf. A001550, A001576, A034513, A001579, A074501-A074580. Sequence in context: A192365 A074578 A290719 * A077244 A138899 A147855 Adjacent sequences:  A074573 A074574 A074575 * A074577 A074578 A074579 KEYWORD easy,nonn AUTHOR Robert G. Wilson v, Aug 23 2002 STATUS approved

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Last modified January 25 03:49 EST 2020. Contains 331241 sequences. (Running on oeis4.)