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

A205081

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

Terms

    a(0) =1a(1) =3a(2) =6a(3) =70a(4) =1694a(5) =19492a(6) =1373508a(7) =114092895a(8) =11345187570

External references