C(15,11,7) = 42
Method of Construction: covering provided by alex sidorenko (personal communication)
Lower Bound: Klas Markstrom covering designs page
4 5 6 7 8 9 10 11 12 13 14
3 5 6 7 8 9 10 11 12 13 14
3 4 6 7 8 9 10 11 12 13 14
2 5 6 7 8 9 10 11 12 13 14
2 4 6 7 8 9 10 11 12 13 14
2 3 6 7 8 9 10 11 12 13 14
1 5 6 7 8 9 10 11 12 13 14
1 4 6 7 8 9 10 11 12 13 14
1 3 6 7 8 9 10 11 12 13 14
1 2 6 7 8 9 10 11 12 13 14
5 6 7 8 9 10 11 12 13 14 15
4 6 7 8 9 10 11 12 13 14 15
3 6 7 8 9 10 11 12 13 14 15
2 6 7 8 9 10 11 12 13 14 15
1 6 7 8 9 10 11 12 13 14 15
1 2 3 4 5 10 11 12 13 14 15
1 2 3 4 5 6 7 8 9 14 15
1 2 3 4 5 8 9 12 13 14 15
1 2 3 4 5 8 9 10 11 14 15
1 2 3 4 5 7 9 11 13 14 15
1 2 3 4 5 7 9 10 12 14 15
1 2 3 4 5 7 8 11 12 14 15
1 2 3 4 5 7 8 10 13 14 15
1 2 3 4 5 6 9 10 13 14 15
1 2 3 4 5 6 9 11 12 14 15
1 2 3 4 5 6 8 10 12 14 15
1 2 3 4 5 6 8 11 13 14 15
1 2 3 4 5 6 7 10 11 14 15
1 2 3 4 5 6 7 12 13 14 15
1 2 3 4 5 6 7 10 11 13 15
1 2 3 4 5 6 8 10 12 13 15
1 2 3 4 5 6 9 11 12 13 15
1 2 3 4 5 7 8 11 12 13 15
1 2 3 4 5 7 9 10 12 13 15
1 2 3 4 5 8 9 10 11 13 15
1 2 3 4 5 6 7 8 9 13 15
2 3 4 5 6 7 8 9 10 11 12
1 3 4 5 6 7 8 9 10 11 12
3 4 5 6 7 8 9 10 11 12 15
1 2 5 6 7 8 9 10 11 12 15
1 2 4 6 7 8 9 10 11 12 15
1 2 3 6 7 8 9 10 11 12 15