A134491 a(n) = Fibonacci(5n+4).

3, 34, 377, 4181, 46368, 514229, 5702887, 63245986, 701408733, 7778742049, 86267571272, 956722026041, 10610209857723, 117669030460994, 1304969544928657, 14472334024676221, 160500643816367088

Offset

0,1

Links

Table of n, a(n) for n=0..16.

Index entries for linear recurrences with constant coefficients, signature (11,1)

Formula

G.f.: ( -3-x ) / ( -1+11*x+x^2 ). - R. J. Mathar, Apr 17 2011

a(n) = A000045(A016897(n)). - Michel Marcus, Nov 07 2013

Mathematica

Table[Fibonacci[5n + 4], {n, 0, 30}]

Prog

(Magma) [Fibonacci(5*n +4): n in [0..100]]; // Vincenzo Librandi, Apr 17 2011
(PARI) a(n)=fibonacci(5*n+4) \\ Charles R Greathouse IV, Oct 16 2015

Crossrefs

Cf. A000045, A016897, A102312, A099100, A134490.

Sequence in context: A284891 A231593 A367509 * A045727 A105713 A367840

Adjacent sequences: A134488 A134489 A134490 * A134492 A134493 A134494

Keyword

nonn,easy

Author

Artur Jasinski, Oct 28 2007

Status

approved