Number of n X 2 0..5 arrays with values 0..5 introduced in row major order and no element equal to any horizontal or vertical neighbor.
A198976
Number of n X 2 0..5 arrays with values 0..5 introduced in row major order and no element equal to any horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =4a(2) =34a(3) =481a(4) =8731a(5) =174454a(6) =3603244a(7) =75251971a(8) =1577395861a(9) =33105096904a(10) =695065679254
External references
- oeis: A198976