2600010

Appears in sequences

• T(n,k)=Number of (n+2)X(k+2) arrays of permutations of 0..(n+2)*(k+2)-1 with each element moved 0 or 1 knight moves and equal numbers of elements advancing and retreating in the array numbered in row major order.at n=15A263706
• Number of (1+2)X(n+2) arrays of permutations of 0..n*3+5 with each element moved 0 or 1 knight moves and equal numbers of elements advancing and retreating in the array numbered in row major order.at n=5A263707