Number of 4Xn 0..1 arrays with exactly floor(4Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
A222772
Number of 4Xn 0..1 arrays with exactly floor(4Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =0a(1) =20a(2) =96a(3) =465a(4) =2608a(5) =15077a(6) =89811a(7) =544302a(8) =3349328a(9) =20823047a(10) =130535918a(11) =823585242a(12) =5221057054a(13) =33231082276a(14) =212180118775
External references
- oeis: A222772