925737domain: NAppears in sequencesTriangle read by rows: T(n,k) = 1 + (q-binomial coefficient [n,k] for q=3) - binomial(n,k).at n=31A176421Triangle read by rows: T(n,k) = 1 + (q-binomial coefficient [n,k] for q=3) - binomial(n,k).at n=32A176421Small rhombicosidodecahedron with faces of centered polygons.at n=28A193251