5,1

G.f.: 2*x^5*(5-36*x+82*x^2-36*x^3-87*x^4+80*x^5)/((1-x)^4*(1-2*x)^3*(1-3*x)^4).

Cf. A000295, A000460.

Sequence in context: A081697 A134526 A055761 this_sequence A097638 A098270 A157867

Adjacent sequences: A095886 A095887 A095888 this_sequence A095890 A095891 A095892

nonn

Mike Zabrocki (zabrocki(AT)mathstat.yorku.ca), Nov 10 2004