Number of binary arrangements without adjacent 1's on n X n array connected ne-sw and nw-se.
A067965
Number of binary arrangements without adjacent 1's on n X n array connected ne-sw and nw-se.
Terms
- a(0) =2a(1) =9a(2) =119a(3) =2704a(4) =177073a(5) =21836929a(6) =6985036032
External references
- oeis: A067965