Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
A317520
Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =32a(2) =248a(3) =1921a(4) =14892a(5) =115446a(6) =894961a(7) =6937925a(8) =53784248a(9) =416946757a(10) =3232258602a(11) =25057145775a(12) =194248243009
External references
- oeis: A317520