Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 10 |
4 | 30 |
5 | 102 |
6 | 335 |
7 | 1170 |
8 | 4080 |
9 | 14560 |
10 | 52377 |
11 | 190650 |
12 | 698870 |
13 | 2581110 |
14 | 9586395 |
15 | 35791358 |
16 | 134215680 |
17 | 505290270 |
18 | 1908866960 |
19 | 7233629130 |
20 | 27487764474 |
21 | 104715392730 |
22 | 399822314775 |
23 | 1529755308210 |
24 | 5864061663920 |
25 | 22517998136832 |
26 | 86607683851185 |
27 | 333599972392960 |
28 | 1286742745883790 |
29 | 4969489243995030 |
30 | 19215358392200893 |
31 | 74382032555280450 |
32 | 288230376084602880 |
[1,2,3,10,30,102,335,1170,4080,14560,52377,190650, 698870,2581110,9586395,35791358,134215680, 505290270,1908866960,7233629130,27487764474, 104715392730,399822314775,1529755308210, 5864061663920,22517998136832,86607683851185, 333599972392960,1286742745883790,4969489243995030, 19215358392200893,74382032555280450, 288230376084602880] |