4788808domain: NAppears in sequencesNumber of Eulerian cycles in the graph C_3 X C_n.at n=4A282621Array read by antidiagonals: T(m,n) = number of Eulerian cycles in the torus grid graph C_m X C_n.at n=23A298117Array read by antidiagonals: T(m,n) = number of Eulerian cycles in the torus grid graph C_m X C_n.at n=25A298117