Number of (n+1)X(6+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.
A232587
Number of (n+1)X(6+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =70a(1) =690a(2) =8104a(3) =93236a(4) =1079300a(5) =12486510a(6) =144506106a(7) =1672314806a(8) =19353375198a(9) =223972627480
External references
- oeis: A232587