143224

Appears in sequences

• Number of Eulerian orientations of the n X n square lattice (with wrap-around), i.e., number of arrow configurations on n X n grid that satisfy the square ice rule.at n=4A054759
• Multiply the digits in pairs, stop when reach a number with an odd number of digits.at n=2A083395
• Array read by antidiagonals: T(m,n) = number of Eulerian orientations of the torus grid graph C_m X C_n.at n=40A298119
• Number of Eulerian orientations of the torus grid graph C_5 X C_n.at n=4A372093