Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,0,0,1,0,0,1 for x=0,1,2,3,4,5,6.

A198055

Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,0,0,1,0,0,1 for x=0,1,2,3,4,5,6.

Terms

    a(0) =1a(1) =7a(2) =24a(3) =201a(4) =2473a(5) =49462a(6) =1645915a(7) =91920138a(8) =8607887484

External references