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 A022138 Fibonacci sequence beginning 5, 13. 3
 5, 13, 18, 31, 49, 80, 129, 209, 338, 547, 885, 1432, 2317, 3749, 6066, 9815, 15881, 25696, 41577, 67273, 108850, 176123, 284973, 461096, 746069, 1207165, 1953234, 3160399, 5113633, 8274032, 13387665, 21661697, 35049362, 56711059, 91760421, 148471480 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Tanya Khovanova, Recursive Sequences Index entries for linear recurrences with constant coefficients, signature (1, 1). FORMULA a(0) = 5, a(1) = 13, a(n) = a(n - 2) + a(n - 1). G.f.: (5 + 8x)/(1 - x - x^2). - Philippe Deléham, Nov 20 2008 MATHEMATICA LinearRecurrence[{1, 1}, {5, 13}, 50] (* Harvey P. Dale, Jul 10 2017 *) CoefficientList[Series[(5 + 8x)/(1 - x - x^2), {x, 0, 50}], x] (* Stefano Spezia, Oct 11 2018 *) CROSSREFS Cf. A000032. Sequence in context: A101864 A190432 A197563 * A226193 A028274 A272723 Adjacent sequences:  A022135 A022136 A022137 * A022139 A022140 A022141 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified October 21 04:24 EDT 2019. Contains 328291 sequences. (Running on oeis4.)