Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 5.
A264696
Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 5.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =22a(4) =93a(5) =790a(6) =7202a(7) =53884a(8) =640932a(9) =7175700a(10) =150597632a(11) =3323171712a(12) =92150022336
External references
- oeis: A264696