Number of (n+1)X(3+1) arrays of permutations of 0..n*3-1 with each element moved a city block distance of exactly 2.
A263387
Number of (n+1)X(3+1) arrays of permutations of 0..n*3-1 with each element moved a city block distance of exactly 2.
Terms
- a(0) =16a(1) =1600a(2) =70225a(3) =2205225a(4) =85599504a(5) =3623076864a(6) =146943422224
External references
- oeis: A263387