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A022370 Fibonacci sequence beginning 2, 16. 2
2, 16, 18, 34, 52, 86, 138, 224, 362, 586, 948, 1534, 2482, 4016, 6498, 10514, 17012, 27526, 44538, 72064, 116602, 188666, 305268, 493934, 799202, 1293136, 2092338, 3385474, 5477812, 8863286, 14341098 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Tanya Khovanova, Recursive Sequences
FORMULA
G.f.: (2+14*x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008
a(n) = 2*(Fibonacci(n+2) + 6*Fibonacci(n)). - G. C. Greubel, Aug 27 2017
a(n) = 2 * A022098(n). - Alois P. Heinz, Aug 27 2017
MATHEMATICA
a={}; b=2; c=16; 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}, {2, 16}, 40] (* Harvey P. Dale, Aug 11 2011 *)
PROG
(PARI) for(n=0, 50, print1(2*(fibonacci(n+2) + 6*fibonacci(n)), ", ")) \\ G. C. Greubel, Aug 27 2017
CROSSREFS
Cf. A022098.
Sequence in context: A180923 A058242 A101075 * A161802 A323193 A050850
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified February 28 15:18 EST 2024. Contains 370400 sequences. (Running on oeis4.)