4 {1, 2, 3, 5}
5 {1, 2, 3, 5, 6}
6 {1, 2, 3, 5, 6, 8}
7 {1, 2, 3, 5, 6, 8, 9}
8 {1, 2, 3, 5, 6, 8, 9, 10}
9 {1, 2, 3, 6, 7, 8, 10, 11, 13}
10 {1, 2, 4, 5, 7, 8, 9, 12, 14, 15}
11 {1, 2, 3, 5, 6, 8, 9, 10, 15, 16, 17}
12 {1, 2, 3, 5, 6, 8, 9, 10, 15, 16, 17, 19}
13 {1, 2, 3, 5, 6, 8, 9, 10, 16, 17, 18, 20, 21}
14 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 21, 22, 23}
15 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 19, 23, 24, 25}
16 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 19, 23, 24, 25, 27}
17 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 19, 23, 24, 25, 27, 28}
18 {1, 2, 3, 5, 6, 8, 12, 13, 14, 16, 17, 19, 23, 24, 25, 27, 28, 30}
19 {1, 2, 3, 5, 6, 8, 9, 10, 16, 17, 19, 20, 21, 26, 27, 29, 30, 32, 33}
20 {1, 2, 3, 5, 6, 8, 9, 10, 16, 17, 19, 20, 21, 26, 27, 29, 30, 32, 33, 34}
21 {1, 2, 3, 5, 6, 8, 9, 10, 16, 17, 18, 20, 21, 28, 29, 30, 32, 33, 35, 36, 37}
22 {1, 2, 3, 5, 6, 8, 9, 10, 16, 18, 19, 21, 22, 24, 30, 31, 33, 34, 35, 38, 39, 40}
23 {1, 2, 3, 5, 6, 8, 9, 10, 16, 18, 19, 21, 22, 24, 31, 33, 34, 36, 37, 38, 41, 42, 43}
24 {1, 2, 3, 5, 6, 8, 10, 16, 18, 19, 20, 23, 24, 25, 29, 33, 35, 36, 38, 39, 40, 43, 44, 45}
25 {1, 2, 4, 5, 6, 10, 12, 13, 16, 18, 20, 21, 23, 25, 31, 32, 33, 35, 36, 40, 41, 42, 45, 47, 48}
26 {1, 2, 3, 6, 7, 8, 10, 11, 13, 17, 21, 22, 23, 26, 27, 28, 30, 38, 40, 41, 43, 44, 45, 48, 49, 50}
27 {1, 2, 3, 5, 6, 8, 9, 10, 15, 18, 23, 24, 25, 27, 28, 30, 31, 32, 37, 40, 45, 46, 47, 49, 50, 52, 53}