A covering of pairs by quintuples. (English) Zbl 0554.05017
The minimal number of quintuples needed to cover all pairs from n elements is known for all values of n less than 24, with the exception of 16. The author shows that the covering number for 16 elements is 15.
Reviewer: R.G.Stanton
MSC:
| 05B40 | Combinatorial aspects of packing and covering |
| 11H31 | Lattice packing and covering (number-theoretic aspects) |
