0,3

Also multidigraphs with 3 nodes and n arcs - Vladeta Jovovic (vladeta(AT)eunet.rs), Dec 27 1999

Jaric and Birman, J. Math. Phys. 18 (1977), 1459-1465; 2085.

Index entries for Molien series

(1+x^2+3*x^3+5*x^4+x^5+x^6)/(1-x)/(1-x^2)^3/(1-x^3)^2

Sequence in context: A064694 A067622 A098112 this_sequence A166635 A078308 A083493

Adjacent sequences: A037237 A037238 A037239 this_sequence A037241 A037242 A037243

nonn

N. J. A. Sloane (njas(AT)research.att.com).