Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,3,2,1,0,0,0 for x=0,1,2,3,4,5,6.
A197992
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,3,2,1,0,0,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =2a(2) =16a(3) =78a(4) =1557a(5) =58327a(6) =3432134a(7) =482064953a(8) =129436138615
External references
- oeis: A197992