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

A197996

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

Terms

    a(0) =1a(1) =2a(2) =8a(3) =44a(4) =590a(5) =9466a(6) =311925a(7) =20440139a(8) =2099400825a(9) =413055176319

External references