OFFSET
0,1
LINKS
N. J. A. Sloane, Transforms
Index entries for linear recurrences with constant coefficients, signature (4, -6, 2).
FORMULA
O.g.f.: (3-8x+6x^2)/(1-4x+6x^2-2x^3); a(n)=4a(n-1)-6a(n-2)+2a(n-3), a(0)=3, a(1)=4, a(2)=4
MATHEMATICA
CoefficientList[Series[(3-8*x+6*x^2)/(1-4*x+6*x^2-2*x^3), {x, 0, 50}], x]
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Mario Catalani (mario.catalani(AT)unito.it), Aug 03 2002
STATUS
approved