Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal.
A232521
Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =52a(1) =11900a(2) =4416a(3) =1110752a(4) =399122a(5) =105188684a(6) =38988416a(7) =9962578834a(8) =3778921534a(9) =943473527702a(10) =366611360006
External references
- oeis: A232521