Number of n X n 0..1 arrays with every element unequal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
A304413
Number of n X n 0..1 arrays with every element unequal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =23a(3) =835a(4) =98568a(5) =32181958a(6) =29251894460
External references
- oeis: A304413