Number of nXnXn triangular 0..2 arrays with each element equal to the sum mod 3 of two neighbors.
A193156
Number of nXnXn triangular 0..2 arrays with each element equal to the sum mod 3 of two neighbors.
Terms
- a(0) =0a(1) =1a(2) =21a(3) =1093a(4) =172217a(5) =81613877a(6) =113899763795
External references
- oeis: A193156