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

A203110

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

Terms

    a(0) =1a(1) =4a(2) =12a(3) =91a(4) =1025a(5) =17899a(6) =514912a(7) =23374383a(8) =1767641965a(9) =213207884368

External references