208186

Appears in sequences

• Array read by antidiagonals: T(m,n) = number of minimal edge covers in the grid graph P_m X P_n.at n=39A288025
• Array read by antidiagonals: T(m,n) = number of minimal edge covers in the grid graph P_m X P_n.at n=41A288025
• Number of permutations p of [n] whose absolute displacements |p(i)-i| are prime numbers.at n=13A324372