Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4.
A197177
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4.
Terms
- a(0) =4a(1) =58a(2) =665a(3) =7172a(4) =92206a(5) =1096217a(6) =13530178a(7) =164914460a(8) =2020163498a(9) =24703508188a(10) =302309943629
External references
- oeis: A197177