Number of n X n 0..1 arrays with every element unequal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A305169
Number of n X n 0..1 arrays with every element unequal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =4a(3) =410a(4) =26810a(5) =2549718a(6) =1069089450a(7) =830801270567
External references
- oeis: A305169