Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 4.
A264645
Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 4.
Terms
- a(0) =1a(1) =6a(2) =149a(3) =5080a(4) =364544a(5) =46305472a(6) =6958619648
External references
- oeis: A264645