Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,2,1,2,1 for x=0,1,2,3,4,5,6.
A197876
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,2,1,2,1 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =5a(2) =14a(3) =69a(4) =620a(5) =17796a(6) =622753a(7) =56046232a(8) =7816677450
External references
- oeis: A197876