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A022381 Fibonacci sequence beginning 3, 15. 1
3, 15, 18, 33, 51, 84, 135, 219, 354, 573, 927, 1500, 2427, 3927, 6354, 10281, 16635, 26916, 43551, 70467, 114018, 184485, 298503, 482988, 781491, 1264479, 2045970, 3310449, 5356419, 8666868, 14023287 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Harvey P. Dale, 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.: (3+12x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008

MATHEMATICA

a={}; b=3; c=15; 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}, {3, 15}, 40] (* Harvey P. Dale, May 27 2012 *)

CROSSREFS

Sequence in context: A236526 A039559 A045753 * A206367 A039570 A032644

Adjacent sequences:  A022378 A022379 A022380 * A022382 A022383 A022384

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified April 27 18:32 EDT 2017. Contains 285528 sequences.