Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6.
A264729
Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =22a(4) =154a(5) =931a(6) =14160a(7) =195952a(8) =2808960a(9) =58924800a(10) =1585406976a(11) =38032879616
External references
- oeis: A264729