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 A013886 aa(n) = 18^(5*n + 1). 1
 18, 34012224, 64268410079232, 121439531096594251776, 229468251895129407139872768, 433595865796975883590475106484224, 819308872942260126404286866009182175232, 1548139828427760582529495524831238344488779776, 2925315479322586708409093799864313376118974623776768 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..50 Tanya Khovanova, Recursive Sequences Index entries for linear recurrences with constant coefficients, signature (1889568). FORMULA a(n) = 1889568*a(n-1), a(0)=18. - Vincenzo Librandi, May 27 2011 MATHEMATICA 18^(5*Range[0, 20]+1) (* or *) NestList[1889568#&, 18, 10] (* Harvey P. Dale, Oct 29 2016 *) PROG (MAGMA) [18^(5*n+1): n in [0..10]]; // Vincenzo Librandi, May 27 2011 CROSSREFS Cf. A001027. Sequence in context: A013808 A115479 A144838 * A259327 A271975 A186729 Adjacent sequences:  A013883 A013884 A013885 * A013887 A013888 A013889 KEYWORD nonn AUTHOR STATUS approved

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Last modified January 18 13:55 EST 2020. Contains 331010 sequences. (Running on oeis4.)