Number of 7X7X7 triangular 0..n arrays with some element plus some adjacent element totalling n+1 exactly once.
A270515
Number of 7X7X7 triangular 0..n arrays with some element plus some adjacent element totalling n+1 exactly once.
Terms
- a(0) =230247a(1) =12072484260
External references
- oeis: A270515