Number of nX4 arrays of occupancy after each element moves to some king-move neighbor, with no 2-loops and with no occupancy greater than 2.
A221340
Number of nX4 arrays of occupancy after each element moves to some king-move neighbor, with no 2-loops and with no occupancy greater than 2.
Terms
- a(0) =0a(1) =758a(2) =49197a(3) =4072557a(4) =290087988a(5) =20842593371
External references
- oeis: A221340