Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 1,5,5,0,0,4,3 for x=0,1,2,3,4,5,6.
A197570
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 1,5,5,0,0,4,3 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =50a(4) =475a(5) =7758a(6) =232920a(7) =10474252a(8) =800434581a(9) =103737269018
External references
- oeis: A197570