Number of 3Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.
A221202
Number of 3Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.
Terms
- a(0) =0a(1) =49a(2) =46a(3) =9025a(4) =58700a(5) =2518569a(6) =32085376a(7) =848789956a(8) =14068757692a(9) =311366232004
External references
- oeis: A221202