Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,0,0,2,2,1,0 for x=0,1,2,3,4,5,6.
A207158
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,0,0,2,2,1,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =7a(2) =18a(3) =83a(4) =883a(5) =8004a(6) =137386a(7) =3684780a(8) =120845236a(9) =6910251668
External references
- oeis: A207158