Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,0,1,4 for x=0,1,2,3,4.
A196490
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,0,1,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =9a(2) =69a(3) =435a(4) =2862a(5) =18661a(6) =123151a(7) =806609a(8) =5276054a(9) =34627688a(10) =227088449a(11) =1488439691a(12) =9758458572a(13) =63980053571a(14) =419459699173
External references
- oeis: A196490