Number of nX2 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).

A207998

Number of nX2 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).

Terms

    a(0) =2a(1) =15a(2) =114a(3) =1657a(4) =36401a(5) =1094076a(6) =42436913a(7) =2042803419a(8) =118645071202

External references