Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,1,1,0,1,0,0 for x=0,1,2,3,4,5,6.
A197853
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,1,1,0,1,0,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =7a(2) =22a(3) =263a(4) =5883a(5) =269045a(6) =23032477a(7) =3863987076
External references
- oeis: A197853