Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,4,0 for x=0,1,2,3,4.
A197162
Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,4,0 for x=0,1,2,3,4.
Terms
- a(0) =2a(1) =14a(2) =66a(3) =306a(4) =1489a(5) =7106a(6) =34021a(7) =162800a(8) =779173a(9) =3731019a(10) =17861710a(11) =85505996a(12) =409326530a(13) =1959518173a(14) =9380666694a(15) =44907278950a(16) =214980183814
External references
- oeis: A197162