Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 3 or 7 king-move adjacent elements, with upper left element zero.
A304769
Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 3 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =27a(3) =172a(4) =1581a(5) =23872a(6) =540901a(7) =26814986a(8) =2642187354a(9) =423954813814
External references
- oeis: A304769