Number of 5 X n arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with every occupancy equal to zero or two.
A221423
Number of 5 X n arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with every occupancy equal to zero or two.
Terms
- a(0) =0a(1) =32a(2) =0a(3) =13794a(4) =0a(5) =5501288a(6) =0a(7) =2238166260a(8) =0a(9) =896266172750a(10) =0a(12) =0a(14) =0a(16) =0a(18) =0
External references
- oeis: A221423