Number of n X n binary arrays with every 1 adjacent to at least one other 1 both bishopwise and rookwise but with no three 1s in a row bishopwise or rookwise.
A144235
Number of n X n binary arrays with every 1 adjacent to at least one other 1 both bishopwise and rookwise but with no three 1s in a row bishopwise or rookwise.
Terms
- a(0) =1a(1) =2a(2) =13a(3) =53a(4) =596a(5) =21034a(6) =722350a(7) =49238419a(8) =8020460416
External references
- oeis: A144235