Number of n X n binary arrays with all ones connected only in a 1001-1001-1111 pattern in any orientation.
A147405
Number of n X n binary arrays with all ones connected only in a 1001-1001-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =9a(4) =25a(5) =61a(6) =265a(7) =2725a(8) =40501a(9) =485293a(10) =5980517a(11) =124941205a(12) =4561553811a(13) =214166188181
External references
- oeis: A147405