Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
A298555
Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =4a(2) =56a(3) =956a(4) =24364a(5) =983554a(6) =58699120a(7) =5376664548a(8) =755503324152
External references
- oeis: A298555