Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4.
A196479
Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =6a(2) =14a(3) =36a(4) =83a(5) =192a(6) =468a(7) =1112a(8) =2624a(9) =6267a(10) =14941a(11) =35493a(12) =84487a(13) =201229a(14) =478826a(15) =1139543a(16) =2712764a(17) =6456865a(18) =15367802a(19) =36579318a(20) =87067091a(21) =207234557a(22) =493260338a(23) =1174064036a(24) =2794503372a(25) =6651474771a(26) =15831865426a(27) =37683024434a(28) =89693152856
External references
- oeis: A196479