Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.
A222286
Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =3a(1) =11a(2) =35a(3) =208a(4) =1125a(5) =6619a(6) =40321a(7) =250681a(8) =1569385a(9) =9860229a(10) =62350467a(11) =395971584a(12) =2523482587a(13) =16126203359a(14) =103311906743a(15) =663339238220
External references
- oeis: A222286