login
A022381
Fibonacci sequence beginning 3, 15.
1
3, 15, 18, 33, 51, 84, 135, 219, 354, 573, 927, 1500, 2427, 3927, 6354, 10281, 16635, 26916, 43551, 70467, 114018, 184485, 298503, 482988, 781491, 1264479, 2045970, 3310449, 5356419, 8666868, 14023287
OFFSET
0,1
FORMULA
G.f.: (3+12x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008
MATHEMATICA
a={}; b=3; c=15; 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}, {3, 15}, 40] (* Harvey P. Dale, May 27 2012 *)
CROSSREFS
Sequence in context: A236526 A039559 A045753 * A206367 A039570 A032644
KEYWORD
nonn
STATUS
approved