Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 5 or 6 king-move adjacent elements, with upper left element zero.
A304598
Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =73a(4) =560a(5) =6007a(6) =75463a(7) =1874284a(8) =62934491a(9) =2085910493a(10) =94776909801
External references
- oeis: A304598