Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4.
A196643
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =17a(2) =116a(3) =667a(4) =4273a(5) =25118a(6) =160347a(7) =983193a(8) =6087268a(9) =37645887a(10) =232843313a(11) =1440449688a(12) =8908661143a(13) =55104054837a(14) =340834463434
External references
- oeis: A196643