Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4.
A196797
Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4.
Terms
- a(0) =2a(1) =20a(2) =120a(3) =698a(4) =4078a(5) =23920a(6) =140348a(7) =821284a(8) =4813216a(9) =28205816a(10) =165271574a(11) =968402976a(12) =5674170654a(13) =33247932210a(14) =194815836754
External references
- oeis: A196797