Number of 2nX14 0..3 arrays with values 0..3 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.
A198603
Number of 2nX14 0..3 arrays with values 0..3 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.
Terms
- a(0) =122a(1) =125168a(2) =143724590a(3) =173328303620
External references
- oeis: A198603