Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,3,0,1 for x=0,1,2,3,4.
A196807
Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,3,0,1 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =41a(2) =420a(3) =8719a(4) =166682a(5) =2535368a(6) =46685074a(7) =822353649a(8) =14219232895a(9) =247793610490
External references
- oeis: A196807