Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A299302
Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =4a(2) =56a(3) =1024a(4) =55390a(5) =6525374a(6) =1227812226a(7) =723886147451
External references
- oeis: A299302