Number of nX3 array permutations with each element moving one space diagonally, horizontally or vertically.
A189349
Number of nX3 array permutations with each element moving one space diagonally, horizontally or vertically.
Terms
- a(0) =0a(1) =13a(2) =48a(3) =557a(4) =3632a(5) =30769a(6) =229248a(7) =1815601a(8) =13960720a(9) =108880333a(10) =843387440a(11) =6554347309a(12) =50856496800a(13) =394905287105
External references
- oeis: A189349