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 A022117 Fibonacci sequence beginning 2, 15. 3
 2, 15, 17, 32, 49, 81, 130, 211, 341, 552, 893, 1445, 2338, 3783, 6121, 9904, 16025, 25929, 41954, 67883, 109837, 177720, 287557, 465277, 752834, 1218111, 1970945, 3189056, 5160001, 8349057, 13509058, 21858115, 35367173, 57225288, 92592461, 149817749 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Ivan Panchenko, 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.: (2+13*x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008 a(n) = a(n-1) + a(n-2). - Wesley Ivan Hurt, Oct 01 2021 MATHEMATICA a={}; b=2; c=15; 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 *) Transpose[NestList[{#[[2]], #[[1]]+#[[2]]}&, {2, 15}, 40]][[1]] (* Harvey P. Dale, Dec 16 2010 *) CoefficientList[Series[(2 + 13 x)/(1 - x - x^2), {x, 0, 40}], x] (* Wesley Ivan Hurt, Jun 15 2014 *) CROSSREFS Sequence in context: A337824 A114606 A276114 * A042571 A041797 A041289 Adjacent sequences: A022114 A022115 A022116 * A022118 A022119 A022120 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Jun 14 1998 EXTENSIONS More terms from Wesley Ivan Hurt, Jun 15 2014 STATUS approved

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Last modified July 23 12:38 EDT 2024. Contains 374549 sequences. (Running on oeis4.)