Number of 2 X n arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor.
A221088
Number of 2 X n arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor.
Terms
- a(0) =0a(1) =4a(2) =24a(3) =169a(4) =1155a(5) =7921a(6) =54288a(7) =372100a(8) =2550408a(9) =17480761a(10) =119814915a(11) =821223649a(12) =5628750624a(13) =38580030724a(14) =264431464440
External references
- oeis: A221088