431319

Appears in sequences

• Number of tree-rooted toroidal maps with 3 faces and n vertices and without separating loops.at n=3A006440
• Expansion of (1+3*x^2+7*x^3+15*x^4+13*x^5+15*x^6+8*x^7+4*x^8)/((1-x)*(1-x^2)^3*(1-x^3)^2).at n=34A037241