Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
A222765
Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =3a(1) =11a(2) =66a(3) =465a(4) =3431a(5) =25772a(6) =196185a(7) =1508369a(8) =11685222a(9) =91068653a(10) =713197411a(11) =5607868082a(12) =44244333098a(13) =350085423285
External references
- oeis: A222765