Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 4.
A264644
Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 4.
Terms
- a(0) =1a(1) =1a(2) =8a(3) =55a(4) =572a(5) =5928a(6) =113808a(7) =2536688a(8) =79981184a(9) =2501785344a(10) =102724061184
External references
- oeis: A264644