Number of n X n binary matrices with no three 1's adjacent in a line diagonally or antidiagonally.
A181213
Number of n X n binary matrices with no three 1's adjacent in a line diagonally or antidiagonally.
Terms
- a(0) =2a(1) =16a(2) =400a(3) =28561a(4) =7133488a(5) =5037592576
External references
- oeis: A181213