Number of n X n binary matrices containing no more than two 1's in any 2 X 2 subblock.
A140314
Number of n X n binary matrices containing no more than two 1's in any 2 X 2 subblock.
Terms
- a(0) =1a(1) =2a(2) =11a(3) =195a(4) =8969a(5) =1232795a(6) =471487297a(7) =516844071813
External references
- oeis: A140314