Number of 2nX14 0..4 arrays with values 0..4 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.
A198252
Number of 2nX14 0..4 arrays with values 0..4 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.
Terms
- a(0) =187a(1) =1268648a(2) =10164141586
External references
- oeis: A198252