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

A264817

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

Terms

    a(0) =1a(1) =8a(2) =59a(3) =743a(4) =17869a(5) =530230a(6) =16961815a(7) =1040174384

External references