C(20,15,6) = 19
Method of Construction: dynamic programming covering
Lower Bound: Schonheim
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1 2 3 4 5 6 7 8 9 10 11 12 16 17 18
1 2 3 4 5 6 7 8 9 10 11 13 16 19 20
1 2 3 4 5 6 7 8 9 10 11 14 15 17 19
1 2 3 4 5 6 7 8 9 10 11 14 15 18 20
1 2 3 4 5 6 7 8 9 10 11 12 13 17 20
1 2 3 4 5 6 7 8 9 10 11 12 13 18 19
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16
2 3 4 6 7 9 12 13 14 15 16 17 18 19 20
3 4 5 7 8 10 12 13 14 15 16 17 18 19 20
4 5 6 8 9 11 12 13 14 15 16 17 18 19 20
1 5 6 7 9 10 12 13 14 15 16 17 18 19 20
2 6 7 8 10 11 12 13 14 15 16 17 18 19 20
1 3 7 8 9 11 12 13 14 15 16 17 18 19 20
1 2 4 8 9 10 12 13 14 15 16 17 18 19 20
2 3 5 9 10 11 12 13 14 15 16 17 18 19 20
1 3 4 6 10 11 12 13 14 15 16 17 18 19 20
1 2 4 5 7 11 12 13 14 15 16 17 18 19 20
1 2 3 5 6 8 12 13 14 15 16 17 18 19 20