Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,0,3,0,0,0,1 for x=0,1,2,3,4,5,6.
A197897
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,0,3,0,0,0,1 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =125a(4) =1826a(5) =50100a(6) =2541794a(7) =233735998a(8) =39661226385
External references
- oeis: A197897