n | a(n) |
---|---|
1 | 2512 |
2 | 15246 |
3 | 74631 |
4 | 324648 |
5 | 1315446 |
6 | 5098590 |
7 | 19218493 |
8 | 71223396 |
9 | 261469392 |
10 | 955896790 |
11 | 3493273891 |
12 | 12795574192 |
13 | 47067986826 |
14 | 174102348110 |
15 | 648137931065 |
16 | 2429513706796 |
17 | 9171278516740 |
18 | 34862473392934 |
19 | 133406490904351 |
[2512,15246,74631,324648,1315446,5098590,19218493, 71223396,261469392,955896790,3493273891, 12795574192,47067986826,174102348110,648137931065, 2429513706796,9171278516740,34862473392934, 133406490904351] |