OFFSET

0,2

COMMENTS

LINKS

Index entries for linear recurrences with constant coefficients, signature (2, 2, 2, -3).

FORMULA

G.f.: (t^4 + 2*t^3 + 2*t^2 + 2*t + 1)/(3*t^4 - 2*t^3 - 2*t^2 - 2*t + 1)

CROSSREFS

KEYWORD

nonn

AUTHOR

John Cannon and N. J. A. Sloane, Dec 03 2009

STATUS

approved