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 A022367 Fibonacci sequence beginning 2, 10. 2
 2, 10, 12, 22, 34, 56, 90, 146, 236, 382, 618, 1000, 1618, 2618, 4236, 6854, 11090, 17944, 29034, 46978, 76012, 122990, 199002, 321992, 520994, 842986, 1363980, 2206966, 3570946, 5777912, 9348858, 15126770, 24475628, 39602398, 64078026, 103680424, 167758450, 271438874 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, 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 From R. J. Mathar, Mar 11 2011: (Start) a(n) = 2*A022095(n). G.f.: 2*(1+4*x)/(1-x-x^2). (End) a(n) = A147316(n-4) + A000045(n+5). - Giuseppe Coppoletta, Jul 27 2017 a(n) = 11*F(n) + F(n-3). - J. M. Bergot, Jul 19 2017 MATHEMATICA LinearRecurrence[{1, 1}, {2, 10}, 40] (* Harvey P. Dale, Jun 17 2014 *) PROG (PARI) for(n=0, 50, print1(2*(fibonacci(n+2) + 3*fibonacci(n)), ", ")) \\ G. C. Greubel, Aug 27 2017 CROSSREFS Cf. A000045, A022095, A147316. Sequence in context: A166938 A093325 A001363 * A004686 A080139 A055701 Adjacent sequences:  A022364 A022365 A022366 * A022368 A022369 A022370 KEYWORD nonn AUTHOR EXTENSIONS More terms from Michel Marcus, Jul 05 2017 STATUS approved

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