Number of nX3 arrays of permutations of 0..n*3-1 with each element moved a city block distance of 0 or 3.
A263441
Number of nX3 arrays of permutations of 0..n*3-1 with each element moved a city block distance of 0 or 3.
Terms
- a(0) =1a(1) =4a(2) =49a(3) =1770a(4) =52352a(5) =1095488a(6) =20725780a(7) =482961978a(8) =11815143411a(9) =287647951708
External references
- oeis: A263441