n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 12 |
5 | 23 |
6 | 84 |
7 | 204 |
8 | 830 |
9 | 2940 |
10 | 13397 |
11 | 58794 |
12 | 283132 |
13 | 1377302 |
14 | 7087164 |
15 | 37654377 |
16 | 209943842 |
17 | 1226495407 |
18 | 7579549767 |
19 | 49541194089 |
20 | 341964495985 |
21 | 2476907459261 |
22 | 18703210872343 |
23 | 146284738788714 |
24 | 1179199861398539 |
25 | 9760466433602510 |
26 | 82758834102114911 |
27 | 717807201648148643 |
[1,2,3,12,23,84,204,830,2940,13397,58794,283132, 1377302,7087164,37654377,209943842,1226495407, 7579549767,49541194089,341964495985,2476907459261, 18703210872343,146284738788714,1179199861398539, 9760466433602510,82758834102114911, 717807201648148643] |