Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A299308
Number of n X n 0..1 arrays with every element equal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =15a(3) =112a(4) =3463a(5) =270346a(6) =60731972a(7) =30975700202
External references
- oeis: A299308