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A022367 Fibonacci sequence beginning 2, 10. 1
2, 10, 12, 22, 34, 56, 90, 146, 236, 382, 618, 1000, 1618, 2618, 4236, 6854, 11090, 17944, 29034, 46978, 76012, 122990, 199002, 321992, 520994, 842986, 1363980, 2206966, 3570946, 5777912, 9348858 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..30.

Tanya Khovanova, Recursive Sequences

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

FORMULA

a(n) = 2*A022095(n). G.f.: ( -2-8*x ) / ( -1+x+x^2 ). - R. J. Mathar, Mar 11 2011

MATHEMATICA

a={}; b=2; c=10; 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, 10}, 40] (* Harvey P. Dale, Jun 17 2014 *)

CROSSREFS

Sequence in context: A166938 A093325 A001363 * A004686 A080139 A055701

Adjacent sequences:  A022364 A022365 A022366 * A022368 A022369 A022370

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified June 24 02:34 EDT 2017. Contains 288697 sequences.