Number of nX4 0..1 arrays with every element equal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
A299598
Number of nX4 0..1 arrays with every element equal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =6a(2) =27a(3) =130a(4) =1241a(5) =8825a(6) =72751a(7) =589816a(8) =4803248a(9) =39358999a(10) =321999354a(11) =2638098994a(12) =21610813691a(13) =177055481680
External references
- oeis: A299598