Number of (n+1) X (2+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.
A231257
Number of (n+1) X (2+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.
Terms
- a(0) =3a(1) =15a(2) =89a(3) =547a(4) =3381a(5) =20911a(6) =129329a(7) =799835a(8) =4946509a(9) =30591143a(10) =189187465a(11) =1170008467a(12) =7235785189a(13) =44748896799a(14) =276744502881
External references
- oeis: A231257