Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
A298543
Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =2a(1) =61a(2) =588a(3) =4771a(4) =41762a(5) =367315a(6) =3215618a(7) =28178880a(8) =246983338a(9) =2164554841a(10) =18970525357a(11) =166262705076
External references
- oeis: A298543