Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
A298383
Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =4a(2) =56a(3) =996a(4) =49850a(5) =3935913a(6) =509195874a(7) =190487814086
External references
- oeis: A298383