a(n) is the number of paths of a chess king on square a1 to reach a position outside an 8 X 8 chessboard after n steps.
A378902
a(n) is the number of paths of a chess king on square a1 to reach a position outside an 8 X 8 chessboard after n steps.
Terms
- a(0) =5a(1) =6a(2) =39a(3) =156a(4) =922a(5) =5060a(6) =31165a(7) =196605a(8) =1301490a(9) =8844147a(10) =61504902a(11) =434181564a(12) =3098427480a(13) =22270496859a(14) =160854381441
External references
- oeis: A378902