Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6.

A264730

Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6.

Terms

    a(0) =1a(1) =3a(2) =48a(3) =663a(4) =23096a(5) =1602048a(6) =165778944a(7) =13350330368

External references