Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,3,1,1,1,0,1 for x=0,1,2,3,4,5,6.
A198030
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,3,1,1,1,0,1 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =1a(2) =25a(3) =149a(4) =2616a(5) =297324a(6) =20029669a(7) =3450459535
External references
- oeis: A198030