Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,2,4,0 for x=0,1,2,3,4.
A196921
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,2,4,0 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =13a(2) =121a(3) =1003a(4) =11843a(5) =123261a(6) =1272060a(7) =13167317a(8) =137002955a(9) =1435498461a(10) =15112707121a(11) =159542157831
External references
- oeis: A196921