Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,1,1,1 for x=0,1,2,3,4.
A197360
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =17a(2) =113a(3) =803a(4) =5855a(5) =41459a(6) =300943a(7) =2224023a(8) =16153497a(9) =116797601a(10) =851944533a(11) =6202923531a(12) =45107191789a(13) =328173759843
External references
- oeis: A197360