Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,0,0,1,0,0,0 for x=0,1,2,3,4,5,6.
A197791
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,0,0,1,0,0,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =7a(2) =24a(3) =208a(4) =2623a(5) =56379a(6) =2049939a(7) =129937199a(8) =14288858831
External references
- oeis: A197791