OFFSET
0,6
LINKS
T. Lu, The enumeration of trees with and without given limbs, Discr. Math., 154 (1996), 153-165.
FORMULA
G.f. x^5+x^6 +g014280(x) -(g014280(x)^2 - g014280(x^2) )/2, where g015280 is the o.g.f. of A014280. - R. J. Mathar, Feb 27 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved