Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 5.
A264699
Number of 2Xn 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) =5a(3) =28a(4) =159a(5) =1383a(6) =16818a(7) =168974a(8) =2921624a(9) =43918848a(10) =1166660928a(11) =31828563776
External references
- oeis: A264699