Number of nX3 0..2 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A222981
Number of nX3 0..2 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =1a(1) =7a(2) =43a(3) =584a(4) =2903a(5) =45718a(6) =227569a(7) =3706702a(8) =18721501a(9) =309335666a(10) =1578160193a(11) =26302908158a(12) =135163043693
External references
- oeis: A222981