Number of nX4 array permutations with each element moving zero or one space diagonally, horizontally or vertically.
A189307
Number of nX4 array permutations with each element moving zero or one space diagonally, horizontally or vertically.
Terms
- a(0) =5a(1) =400a(2) =14714a(3) =654049a(4) =27850597a(5) =1198076276a(6) =51426223446
External references
- oeis: A189307