Number of nXn 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A306123
Number of nXn 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =9a(3) =70a(4) =517a(5) =4872a(6) =143839a(7) =8721531a(8) =902758342a(9) =197546692104
External references
- oeis: A306123