login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A022361
Fibonacci sequence beginning 0, 27.
1
0, 27, 27, 54, 81, 135, 216, 351, 567, 918, 1485, 2403, 3888, 6291, 10179, 16470, 26649, 43119, 69768, 112887, 182655, 295542, 478197, 773739, 1251936, 2025675, 3277611, 5303286, 8580897, 13884183
OFFSET
0,2
FORMULA
G.f.: 27*x/(1-x-x^2). - Philippe Deléham, Nov 20 2008
a(n) = 27*A000045(n). - G. C. Greubel, Aug 26 2017
MATHEMATICA
a={}; b=0; c=27; 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 *)
Table[27*Fibonacci[n], {n, 0, 50}] (* or *) LinearRecurrence[{1, 1}, {0, 27}, 50] (* G. C. Greubel, Aug 26 2017 *)
PROG
(PARI) for(n=0, 50, print1(27*fibonacci(n), ", ")) \\ G. C. Greubel, Aug 26 2017
CROSSREFS
Sequence in context: A291516 A164862 A040703 * A238370 A056131 A253102
KEYWORD
nonn
STATUS
approved