Number of 2n X 14 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.
A198284
Number of 2n X 14 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.
Terms
- a(0) =32a(1) =2574a(2) =219060a(3) =19399132a(4) =1748785516a(5) =158791292898
External references
- oeis: A198284