Number of nXnXn triangular binary arrays with all 1s connected, no 1 having more than 4 1s adjacent, and all vertexes 1.

A163885

Number of nXnXn triangular binary arrays with all 1s connected, no 1 having more than 4 1s adjacent, and all vertexes 1.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =30a(4) =496a(5) =16388a(6) =1047416a(7) =129807094a(8) =31003984322

External references