Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 6.

A264705

Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 6.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =212a(4) =3712a(5) =96256a(6) =3423168a(7) =158521536a(8) =8362014912a(9) =635861560320

External references