Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A317605
Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =38a(3) =472a(4) =23031a(5) =1624676a(6) =271661553a(7) =124728567511
External references
- oeis: A317605