Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,4,2,2,0,0,0 for x=0,1,2,3,4,5,6.
A197931
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,4,2,2,0,0,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =53a(4) =1226a(5) =44652a(6) =3506927a(7) =593996679a(8) =208164218197
External references
- oeis: A197931