Number of (n+1)X(6+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.
A232389
Number of (n+1)X(6+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) =1954a(1) =12818a(2) =120264a(3) =1186624a(4) =12826278a(5) =148762628a(6) =1635435360a(7) =18724514604a(8) =216025821042
External references
- oeis: A232389