a(n) is the number of different (n-1)-move routes for a king on an empty n X n chessboard.
A355127
a(n) is the number of different (n-1)-move routes for a king on an empty n X n chessboard.
Terms
- a(0) =1a(1) =12a(2) =200a(3) =2880a(4) =37680a(5) =455224a(6) =5186888a(7) =56471040a(8) =593296160a(9) =6057160296a(10) =60407414256a(11) =590807590672
External references
- oeis: A355127