Number of nX6 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.
A196644
Number of nX6 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) =41a(2) =356a(3) =2783a(4) =25118a(5) =217880a(6) =1921822a(7) =16668173a(8) =146029787a(9) =1275692776a(10) =11144916533a(11) =97386223456a(12) =850945201900
External references
- oeis: A196644