Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,0 for x=0,1,2,3,4.
A197749
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,0 for x=0,1,2,3,4.
Terms
- a(0) =13a(1) =465a(2) =17332a(3) =462515a(4) =15943658a(5) =517762136a(6) =16946352492a(7) =558436739769
External references
- oeis: A197749