A022374 Fibonacci sequence beginning 2, 24.

2, 24, 26, 50, 76, 126, 202, 328, 530, 858, 1388, 2246, 3634, 5880, 9514, 15394, 24908, 40302, 65210, 105512, 170722, 276234, 446956, 723190, 1170146, 1893336, 3063482, 4956818, 8020300, 12977118, 20997418, 33974536, 54971954, 88946490, 143918444, 232864934, 376783378, 609648312

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+11*x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008

Equals 2*A022102(n). - Bruno Berselli, Oct 05 2017

a(n) = a(n-1)+a(n-2). - Wesley Ivan Hurt, May 10 2021

Mathematica

LinearRecurrence[{1, 1}, {2, 24}, 50] (* G. C. Greubel, Oct 04 2017 *)

Prog

(PARI) x='x+O('x^50); Vec((2+22*x)/(1-x-x^2)) \\ G. C. Greubel, Oct 04 2017

Crossrefs

Cf. A022102.

Sequence in context: A371207 A064818 A349724 * A139334 A212759 A112660

Adjacent sequences: A022371 A022372 A022373 * A022375 A022376 A022377

Keyword

nonn

Author

N. J. A. Sloane

Extensions

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

Status

approved