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A022388 Fibonacci sequence beginning 6, 13. 3
6, 13, 19, 32, 51, 83, 134, 217, 351, 568, 919, 1487, 2406, 3893, 6299, 10192, 16491, 26683, 43174, 69857, 113031, 182888, 295919, 478807, 774726, 1253533, 2028259, 3281792, 5310051, 8591843, 13901894, 22493737, 36395631, 58889368, 95284999, 154174367 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..35.

Tanya Khovanova, Recursive Sequences

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

FORMULA

G.f.: (6+7*x)/(1-x-x^2). - Philippe Deléham, Nov 20 2008

MATHEMATICA

a={}; b=6; c=13; AppendTo[a, b]; AppendTo[a, c]; Do[b=b+c; AppendTo[a, b]; c=b+c; AppendTo[a, c], {n, 1, 40, 1}]; a (* Vladimir Joseph Stephan Orlovsky, Jul 23 2008 *)

CROSSREFS

Cf. A000032.

Sequence in context: A246306 A135274 A189378 * A041471 A041695 A109236

Adjacent sequences:  A022385 A022386 A022387 * A022389 A022390 A022391

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified April 26 03:45 EDT 2017. Contains 285426 sequences.