Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,1,2,2,1,2,0 for x=0,1,2,3,4,5,6.
A197741
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,1,2,2,1,2,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =5a(2) =20a(3) =179a(4) =3353a(5) =108281a(6) =6601649a(7) =818828659a(8) =196362508518
External references
- oeis: A197741