Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4.
A196691
Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =11a(2) =76a(3) =408a(4) =2025a(5) =10548a(6) =55431a(7) =289038a(8) =1506376a(9) =7857827a(10) =40992713a(11) =213825921a(12) =1115337571a(13) =5817828688a(14) =30347027526a(15) =158296067515a(16) =825703442256
External references
- oeis: A196691