Number of nXnXn triangular binary arrays with all 1s connected, no 1 having more than 5 1s adjacent, and all vertexes 1.

A163887

Number of nXnXn triangular binary arrays with all 1s connected, no 1 having more than 5 1s adjacent, and all vertexes 1.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =36a(4) =684a(5) =26786a(6) =2120048a(7) =335831258a(8) =105871755544

External references