Number of 2nX6 0..2 arrays with values 0..2 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors.
A198640
Number of 2nX6 0..2 arrays with values 0..2 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors.
Terms
- a(0) =376a(1) =162776a(2) =70145916a(3) =30189380016
External references
- oeis: A198640