OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (-1,6,14,12).
FORMULA
O.g.f.: -(1+x)^4/[(2*x+1)(2*x^2+2*x+1)(-1+3*x)]. - R. J. Mathar, Apr 02 2008
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Paul Barry, May 02 2003
STATUS
approved