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A022376
Fibonacci sequence beginning 2, 28.
2
2, 28, 30, 58, 88, 146, 234, 380, 614, 994, 1608, 2602, 4210, 6812, 11022, 17834, 28856, 46690, 75546, 122236, 197782, 320018, 517800, 837818, 1355618, 2193436, 3549054, 5742490, 9291544, 15034034, 24325578, 39359612, 63685190, 103044802, 166729992, 269774794, 436504786
OFFSET
0,1
FORMULA
G.f.: (2+26*x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008
a(n) = 2 * A022104(n).
MATHEMATICA
LinearRecurrence[{1, 1}, {2, 28}, 50] (* G. C. Greubel, Oct 04 2017 *)
PROG
(PARI) x='x+O('x^50); Vec((2+26*x)/(1-x-x^2)) \\ G. C. Greubel, Oct 04 2017
CROSSREFS
Cf. A022104.
Sequence in context: A363403 A007257 A045487 * A177829 A363875 A339990
KEYWORD
nonn
STATUS
approved