Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
A298233
Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =22a(3) =1156a(4) =107163a(5) =45356726a(6) =67668568376
External references
- oeis: A298233