OFFSET
0,3
COMMENTS
See A116873 for C(2,3;n) and the Derrida et al., Schuetz-Domany and Liggett references.
FORMULA
G.f.: (3+25*x+56*x^2*c(14*x))/((1+7*x)*(3+x)) with the g.f. c(x) for A000108 (Catalan numbers).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Mar 24 2006
STATUS
approved