Number of nX7 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
A298833
Number of nX7 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =240a(2) =60a(3) =2774a(4) =27915a(5) =226883a(6) =5097700a(7) =70784399a(8) =995832826a(9) =17401811425a(10) =288129465222
External references
- oeis: A298833