Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,4,5,0,0,5,1 for x=0,1,2,3,4,5,6.
A197659
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,4,5,0,0,5,1 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =12a(4) =42a(5) =172a(6) =768a(7) =4488a(8) =28215a(9) =202201a(10) =1848800a(11) =18647319a(12) =230926401
External references
- oeis: A197659