Number of nXnXn triangular 0..5 arrays with no element equal to the sum or difference mod 6 of any two of its neighbors.

A193835

Number of nXnXn triangular 0..5 arrays with no element equal to the sum or difference mod 6 of any two of its neighbors.

Terms

    a(0) =6a(1) =140a(2) =1171a(3) =68369a(4) =15035559a(5) =10716516295

External references