Number of 5X5X5 triangular 0..n arrays with some element plus some adjacent element totalling n+1 exactly once.
A270513
Number of 5X5X5 triangular 0..n arrays with some element plus some adjacent element totalling n+1 exactly once.
Terms
- a(0) =1149a(1) =369072a(2) =34889103a(3) =1489277664a(4) =32485734273a(5) =448630205184
External references
- oeis: A270513