Number of 6X6X6 triangular 0..n arrays with some element plus some adjacent element totalling n exactly once.
A270261
Number of 6X6X6 triangular 0..n arrays with some element plus some adjacent element totalling n exactly once.
Terms
- a(0) =0a(1) =40020a(2) =534438768a(3) =302595682944
External references
- oeis: A270261