Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.
A304340
Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =27a(3) =290a(4) =6373a(5) =135445a(6) =4921043a(7) =343449680a(8) =30008468246
External references
- oeis: A304340