n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 21 |
4 | 92 |
5 | 432 |
6 | 1704 |
7 | 6276 |
8 | 24096 |
9 | 95628 |
10 | 383848 |
11 | 1560030 |
12 | 6395256 |
13 | 26220902 |
14 | 106855404 |
15 | 430894908 |
16 | 1716023728 |
17 | 6758075160 |
18 | 26395681392 |
19 | 102540292584 |
20 | 397219456608 |
21 | 1538055130419 |
22 | 5963874635622 |
23 | 23183457031431 |
24 | 90385003122912 |
25 | 353392849642574 |
26 | 1385262648293892 |
27 | 5441942144992950 |
[1,6,21,92,432,1704,6276,24096,95628,383848, 1560030,6395256,26220902,106855404,430894908, 1716023728,6758075160,26395681392,102540292584, 397219456608,1538055130419,5963874635622, 23183457031431,90385003122912,353392849642574, 1385262648293892,5441942144992950] |