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 A140529 a(n) = 6*4^n - 1. 6
 5, 23, 95, 383, 1535, 6143, 24575, 98303, 393215, 1572863, 6291455, 25165823, 100663295, 402653183, 1610612735, 6442450943, 25769803775, 103079215103, 412316860415, 1649267441663, 6597069766655, 26388279066623, 105553116266495 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (5,-4). FORMULA a(n) = 4*a(n-1) + 3, a(0)=5. a(n) = A002023(n) - 1 = A000302(n+1) + A083420(n). G.f.: ( 5-2*x ) / ( (4*x-1)*(x-1) ). - R. J. Mathar, Jul 08 2022 MATHEMATICA NestList[4#+3&, 5, 30] (* Harvey P. Dale, Jan 14 2022 *) PROG (Magma) [6*4^n-1: n in [0..30]]; // Vincenzo Librandi, Aug 08 2011 CROSSREFS Cf. A028894. Sequence in context: A146013 A028894 A254824 * A055489 A109765 A323922 Adjacent sequences: A140526 A140527 A140528 * A140530 A140531 A140532 KEYWORD nonn,easy AUTHOR Paul Curtz, Jul 03 2008 STATUS approved

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Last modified December 10 09:31 EST 2023. Contains 367710 sequences. (Running on oeis4.)