Number of (n+1)X(4+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.
A231392
Number of (n+1)X(4+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.
Terms
- a(0) =33a(1) =90a(2) =311a(3) =1096a(4) =4085a(5) =15732a(6) =62039a(7) =245850a(8) =980361a(9) =3915982a(10) =15667453a(11) =62726276a(12) =251241863a(13) =1006595336a(14) =4033439213a(15) =16163623302a(16) =64777551551a(17) =259612134798
External references
- oeis: A231392