A022375 Fibonacci sequence beginning 2, 26.

2, 26, 28, 54, 82, 136, 218, 354, 572, 926, 1498, 2424, 3922, 6346, 10268, 16614, 26882, 43496, 70378, 113874, 184252, 298126, 482378, 780504, 1262882, 2043386, 3306268, 5349654, 8655922, 14005576, 22661498, 36667074, 59328572, 95995646, 155324218, 251319864, 406644082, 657963946

Offset

0,1

Links

G. C. Greubel, Table of n, a(n) for n = 0..1000

Tanya Khovanova, Recursive Sequences

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

Formula

G.f.: 2*(1+12*x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008

Equals 2*A022103(n). - Bruno Berselli, Oct 05 2017

Mathematica

LinearRecurrence[{1, 1}, {2, 26}, 50] (* G. C. Greubel, Oct 04 2017 *)

Prog

(PARI) x='x+O('x^50); Vec((2+24*x)/(1-x-x^2)) \\ G. C. Greubel, Oct 04 2017

Crossrefs

Sequence in context: A241202 A278479 A351921 * A072663 A276176 A050905

Adjacent sequences: A022372 A022373 A022374 * A022376 A022377 A022378

Keyword

nonn

Author

N. J. A. Sloane

Extensions

Terms a(30) onward added by G. C. Greubel, Oct 04 2017

Status

approved