Number of n X n 0..1 arrays with no 1 adjacent to 2 king-move neighboring 1's.
A297078
Number of n X n 0..1 arrays with no 1 adjacent to 2 king-move neighboring 1's.
Terms
- a(0) =2a(1) =12a(2) =136a(3) =6784a(4) =1180260a(5) =833228038
External references
- oeis: A297078