Number of nX4 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
A299330
Number of nX4 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =6a(2) =36a(3) =263a(4) =2537a(5) =22718a(6) =214683a(7) =2024559a(8) =19169227a(9) =181762287a(10) =1723995924a(11) =16356826774a(12) =155199770911
External references
- oeis: A299330