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A022389 Fibonacci sequence beginning 7, 15. 3
7, 15, 22, 37, 59, 96, 155, 251, 406, 657, 1063, 1720, 2783, 4503, 7286, 11789, 19075, 30864, 49939, 80803, 130742, 211545, 342287, 553832, 896119, 1449951, 2346070, 3796021, 6142091, 9938112, 16080203, 26018315, 42098518, 68116833, 110215351, 178332184 (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.: (7+8*x)/(1-x-x^2). [Philippe Deléham, Nov 20 2008]

MATHEMATICA

a={}; b=7; 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}, {7, 15}, 40] (* Harvey P. Dale, Aug 27 2013 *)

CROSSREFS

Cf. A000032.

Sequence in context: A274700 A022552 A082658 * A041225 A128840 A041935

Adjacent sequences:  A022386 A022387 A022388 * A022390 A022391 A022392

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 25 14:33 EDT 2017. Contains 289795 sequences.