A022373 Fibonacci sequence beginning 2, 22.

2, 22, 24, 46, 70, 116, 186, 302, 488, 790, 1278, 2068, 3346, 5414, 8760, 14174, 22934, 37108, 60042, 97150, 157192, 254342, 411534, 665876, 1077410, 1743286, 2820696, 4563982, 7384678, 11948660, 19333338, 31281998, 50615336, 81897334, 132512670, 214410004, 346922674, 561332678

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+20x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008

Mathematica

a={}; b=2; c=22; AppendTo[a, b]; AppendTo[a, c]; Do[b=b+c; AppendTo[a, b]; c=b+c; AppendTo[a, c], {n, 4!}]; a (* Vladimir Joseph Stephan Orlovsky, Sep 18 2008 *)
LinearRecurrence[{1, 1}, {2, 22}, 30] (* Harvey P. Dale, Jan 06 2013 *)

Prog

(PARI) x='+O('x^50); Vec((2+20*x)/(1-x-x^2)) \\ G. C. Greubel, Oct 04 2017

Crossrefs

Sequence in context: A080283 A228112 A080433 * A111751 A037416 A057871

Adjacent sequences: A022370 A022371 A022372 * A022374 A022375 A022376

Keyword

nonn

Author

N. J. A. Sloane

Extensions

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

Status

approved