Number of n X 3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 5.
A264691
Number of n X 3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 5.
Terms
- a(0) =1a(1) =7a(2) =80a(3) =2051a(4) =59845a(5) =3406328a(6) =233531136a(7) =21272671232
External references
- oeis: A264691