Number of (n+1)X(n+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.
A232383
Number of (n+1)X(n+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =12a(1) =64a(2) =1192a(3) =28752a(4) =1535188a(5) =148762628a(6) =24233926664
External references
- oeis: A232383