Number of nXnXn triangular 0..3 arrays with each element equal to at least one neighbor and new values 0..3 introduced in row major order.

A192602

Number of nXnXn triangular 0..3 arrays with each element equal to at least one neighbor and new values 0..3 introduced in row major order.

Terms

    a(0) =0a(1) =1a(2) =12a(3) =566a(4) =128311a(5) =105795037a(6) =292404355298

External references