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

A198093

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

Terms

    a(0) =1a(1) =5a(2) =23a(3) =181a(4) =2682a(5) =76326a(6) =3762043a(7) =354138576a(8) =62665720459

External references