n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 10 |
4 | 18 |
5 | 202 |
6 | 418 |
7 | 8762 |
8 | 18546 |
9 | 648842 |
10 | 1361090 |
11 | 72858394 |
12 | 150831762 |
13 | 11533704106 |
14 | 23631529186 |
15 | 2447950210490 |
16 | 4980921068466 |
17 | 671176131216458 |
18 | 1359534955872002 |
19 | 230971485534437722 |
20 | 466475222145987282 |
21 | 97492025362288590058 |
22 | 196500782158151756578 |
[1,2,2,10,18,202,418,8762,18546,648842,1361090, 72858394,150831762,11533704106,23631529186, 2447950210490,4980921068466,671176131216458, 1359534955872002,230971485534437722, 466475222145987282,97492025362288590058, 196500782158151756578] |