Number of n X n 0..1 arrays with every element unequal to 0, 1, 3 or 5 king-move adjacent elements, with upper left element zero.
A303962
Number of n X n 0..1 arrays with every element unequal to 0, 1, 3 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =13a(3) =73a(4) =452a(5) =2597a(6) =15517a(7) =112219a(8) =872394a(9) =11451738a(10) =151296576a(11) =2289523848a(12) =33405322777a(13) =602039590188
External references
- oeis: A303962