Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.
A222454
Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =4a(1) =23a(2) =194a(3) =1722a(4) =16440a(5) =161779a(6) =1752892a(7) =18608623a(8) =201223272a(9) =2201719251a(10) =24272631638a(11) =268705232398
External references
- oeis: A222454