Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
A298390
Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =15a(3) =112a(4) =2231a(5) =117184a(6) =16510708a(7) =4149393799
External references
- oeis: A298390