Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 5.
A264697
Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 5.
Terms
- a(0) =1a(1) =5a(2) =68a(3) =1378a(4) =26662a(5) =975419a(6) =54443028a(7) =4147768144
External references
- oeis: A264697