Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 5.
A264694
Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 5.
Terms
- a(0) =1a(1) =6a(2) =80a(3) =3196a(4) =171962a(5) =17647792a(6) =2685878592
External references
- oeis: A264694