Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 1,4,0,1,1,0,0 for x=0,1,2,3,4,5,6.
A197869
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 1,4,0,1,1,0,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =4a(2) =9a(3) =20a(4) =74a(5) =379a(6) =3003a(7) =38251a(8) =799417a(9) =26052840a(10) =1338355732a(11) =107392201905
External references
- oeis: A197869