15 ≤ C(26,18,5) ≤ 19
Created by: LJCR
Method of Construction: Multiple of (13,9,5) covering
Lower Bound: Schonheim
1 2 3 4 5 6 7 8 9 14 15 16 17 18 19 20 21 22
1 2 3 4 5 6 7 8 10 14 15 16 17 18 19 20 21 23
1 2 3 4 5 6 7 8 11 14 15 16 17 18 19 20 21 24
1 2 3 4 5 6 7 8 12 14 15 16 17 18 19 20 21 25
1 2 3 4 5 6 7 8 13 14 15 16 17 18 19 20 21 26
1 2 3 4 9 10 11 12 13 14 15 16 17 22 23 24 25 26
1 2 5 6 9 10 11 12 13 14 15 18 19 22 23 24 25 26
1 2 7 8 9 10 11 12 13 14 15 20 21 22 23 24 25 26
1 3 5 7 9 10 11 12 13 14 16 18 20 22 23 24 25 26
1 3 6 8 9 10 11 12 13 14 16 19 21 22 23 24 25 26
1 4 5 8 9 10 11 12 13 14 17 18 21 22 23 24 25 26
1 4 6 7 9 10 11 12 13 14 17 19 20 22 23 24 25 26
2 3 5 8 9 10 11 12 13 15 16 18 21 22 23 24 25 26
2 3 6 7 9 10 11 12 13 15 16 19 20 22 23 24 25 26
2 4 5 7 9 10 11 12 13 15 17 18 20 22 23 24 25 26
2 4 6 8 9 10 11 12 13 15 17 19 21 22 23 24 25 26
3 4 5 6 9 10 11 12 13 16 17 18 19 22 23 24 25 26
3 4 7 8 9 10 11 12 13 16 17 20 21 22 23 24 25 26
5 6 7 8 9 10 11 12 13 18 19 20 21 22 23 24 25 26