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

A198041

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

Terms

    a(0) =1a(1) =5a(2) =23a(3) =190a(4) =3032a(5) =91604a(6) =4639102a(7) =420891042a(8) =69477009170

External references