Number of 4Xn array permutations with each element moving zero or one space horizontally or diagonally.
A189452
Number of 4Xn array permutations with each element moving zero or one space horizontally or diagonally.
Terms
- a(0) =1a(1) =34a(2) =400a(3) =7300a(4) =118128a(5) =2008890a(6) =33735505a(7) =569476049a(8) =9601403672a(9) =161963813841
External references
- oeis: A189452