Number of nX2 0..3 arrays with no more than floor(nX2/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.
A222651
Number of nX2 0..3 arrays with no more than floor(nX2/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =1a(1) =7a(2) =60a(3) =724a(4) =7364a(5) =84816a(6) =927152a(7) =10585088a(8) =119198624a(9) =1364437632a(10) =15584195392a(11) =179262541056
External references
- oeis: A222651