n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 30 |
4 | 145 |
5 | 685 |
6 | 3267 |
7 | 15533 |
8 | 74338 |
9 | 356284 |
10 | 1714020 |
11 | 8263596 |
12 | 39940398 |
13 | 193419915 |
14 | 938440188 |
15 | 4560542645 |
16 | 22196008209 |
17 | 108171753355 |
18 | 527816934216 |
19 | 2578310320610 |
20 | 12607506013260 |
21 | 61706212041096 |
22 | 302275147959675 |
23 | 1481908332595625 |
24 | 7270432038855843 |
25 | 35694090764454926 |
26 | 175351391301452028 |
27 | 861946790726717742 |
28 | 4239292356515821416 |
29 | 20860889073855326397 |
30 | 102703447427882985153 |
[1,6,30,145,685,3267,15533,74338,356284,1714020, 8263596,39940398,193419915,938440188,4560542645, 22196008209,108171753355,527816934216, 2578310320610,12607506013260,61706212041096, 302275147959675,1481908332595625,7270432038855843, 35694090764454926,175351391301452028, 861946790726717742,4239292356515821416, 20860889073855326397,102703447427882985153] |