Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 6.
A264702
Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 6.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =36a(4) =288a(5) =2240a(6) =20736a(7) =264384a(8) =2892672a(9) =63452160a(10) =1528823808a(11) =36691771392a(12) =941182156800
External references
- oeis: A264702