k | sk | pk | sk-pk |
0 | 1 | 1 | 0 |
1 | 1 | 1 | 0 |
2 | 1 | 1 | 0 |
3 | 2 | 2 | 0 |
4 | 5 | 3 | 2 |
5 | 11 | 5 | 6 |
6 | 28 | 8 | 20 |
7 | 74 | 14 | 60 |
8 | 199 | 23 | 176 |
9 | 551 | 41 | 510 |
10 | 1533 | 69 | 1464 |
11 | 4436 | 122 | 4314 |
12 | 12,832 | 208 | 12,624 |
13 | 37,496 | 370 | 37,126 |
14 | 110,500 | 636 | 109,864 |
15 | 327,420 | 1134 | 326,286 |
16 | 979,819 | 1963 | 977,856 |
17 | 2,944,873 | 3505 | 2,941,368 |
18 | 8,896,515 | 6099 | 8,890,416 |