Number of 3Xn array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
A189651
Number of 3Xn array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
Terms
- a(0) =1a(1) =32a(2) =263a(3) =4277a(4) =55440a(5) =799069a(6) =11047585a(7) =155610272a(8) =2174615543a(9) =30495310793a(10) =427003730560
External references
- oeis: A189651