Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 7.

A264793

Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 7.

Terms

    a(0) =2a(1) =15a(2) =170a(3) =3089a(4) =106568a(5) =4676432a(6) =252331392a(7) =19898286080

External references