Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 6.

A264708

Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 6.

Terms

    a(0) =1a(1) =8a(2) =152a(3) =4544a(4) =202176a(5) =10964160a(6) =1200365568a(7) =150015836160

External references