Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 4.
A264641
Number of nX2 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) =6a(3) =30a(4) =284a(5) =2344a(6) =31632a(7) =492432a(8) =12098624a(9) =236007424a(10) =6065647616a(11) =159458086912
External references
- oeis: A264641