268451

Appears in sequences

• Expansion of 1+x*(1-x-4*x^2)/((1+x)*(1-2*x)*(1-3*x)).at n=13A087432
• Number of walks of length n between opposite vertices on a triangular prism.at n=13A094556
• Number of vertices in truncated tetrahedron with faces that are centered polygons.at n=35A193218