n | a(n) |
---|---|
1 | 10 |
2 | 50 |
3 | 254 |
4 | 1174 |
5 | 5410 |
6 | 24684 |
7 | 108169 |
8 | 448881 |
9 | 1761976 |
10 | 6564622 |
11 | 23314449 |
12 | 79243936 |
13 | 258638752 |
14 | 812875058 |
15 | 2465906695 |
16 | 7234818015 |
17 | 20565976895 |
18 | 56733702403 |
19 | 152106586332 |
20 | 396892051129 |
21 | 1009207780356 |
22 | 2503839951948 |
[10,50,254,1174,5410,24684,108169,448881,1761976, 6564622,23314449,79243936,258638752,812875058, 2465906695,7234818015,20565976895,56733702403, 152106586332,396892051129,1009207780356, 2503839951948] |