Number of 2n X 6 0..4 arrays with values 0..4 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.
A198510
Number of 2n X 6 0..4 arrays with values 0..4 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.
Terms
- a(0) =1626a(1) =308854a(2) =59007820a(3) =13127875861
External references
- oeis: A198510