Number of (n+1) X (2+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order.
A231445
Number of (n+1) X (2+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order.
Terms
- a(0) =3a(1) =15a(2) =97a(3) =715a(4) =5643a(5) =46075a(6) =382341a(7) =3196783a(8) =26821757a(9) =225400759a(10) =1895576427a(11) =15946759047a(12) =134174450017
External references
- oeis: A231445