Number of n X n 0..1 arrays with every element equal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
A299596
Number of n X n 0..1 arrays with every element equal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =9a(3) =130a(4) =21367a(5) =7242300a(6) =9743385598
External references
- oeis: A299596