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 A134490 a(n) = Fibonacci(5n + 3). 11
 2, 21, 233, 2584, 28657, 317811, 3524578, 39088169, 433494437, 4807526976, 53316291173, 591286729879, 6557470319842, 72723460248141, 806515533049393, 8944394323791464, 99194853094755497, 1100087778366101931 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Index entries for linear recurrences with constant coefficients, signature (11,1) FORMULA a(n) = 11a(n-1) + a(n-2). - Paul Curtz, May 07 2008 a(n) = -(2/5)*(11/2 - (5/2)*sqrt(5))^n*sqrt(5) + (11/2 - (5/2)*sqrt(5))^n + (2/5)*sqrt(5)*(11/2 + (5/2)*sqrt(5))^n + (11/2 + (5/2)*sqrt(5))^n. - Paolo P. Lava, Oct 03 2008 From R. J. Mathar, Nov 02 2008: (Start) G.f.: (2-x)/(1 - 11x - x^2). a(n) = |A122574(n+2)| + A049666(n+1). (End) a(n) = A000045(A016885(n)). - Michel Marcus, Nov 08 2013 MATHEMATICA Table[Fibonacci[5n + 3], {n, 0, 30}] PROG (MAGMA) [Fibonacci(5*n+3): n in [0..100]]; // Vincenzo Librandi, Apr 16 2011 (PARI) a(n)=fibonacci(5*n+3) \\ Charles R Greathouse IV, Jun 11 2015 CROSSREFS Cf. A000045, A102312, A099100, A134491. Sequence in context: A024231 A069717 A036679 * A045726 A105712 A087677 Adjacent sequences:  A134487 A134488 A134489 * A134491 A134492 A134493 KEYWORD nonn,easy AUTHOR Artur Jasinski, Oct 28 2007 EXTENSIONS Offset changed to 0 by R. J. Mathar, Jul 28 2008 STATUS approved

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Last modified August 3 11:40 EDT 2020. Contains 336198 sequences. (Running on oeis4.)