Number of (n+2)X(4+2) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order.
A231437
Number of (n+2)X(4+2) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order.
Terms
- a(0) =6a(1) =17a(2) =54a(3) =182a(4) =820a(5) =3071a(6) =13458a(7) =59480a(8) =266481a(9) =1252868a(10) =5822115a(11) =27737178a(12) =132560995a(13) =635816704a(14) =3070132496a(15) =14824494889a(16) =71797359606a(17) =348050195323
External references
- oeis: A231437