n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 29 |
5 | 108 |
6 | 941 |
7 | 4582 |
8 | 32689 |
9 | 179928 |
10 | 1177081 |
11 | 6852362 |
12 | 43131749 |
13 | 257572548 |
14 | 1593438821 |
15 | 9626191342 |
16 | 59088353209 |
17 | 358831489968 |
18 | 2194871810161 |
19 | 13360530869522 |
20 | 81592856993069 |
21 | 497198985724188 |
22 | 3034219396275101 |
[0,1,2,29,108,941,4582,32689,179928,1177081, 6852362,43131749,257572548,1593438821,9626191342, 59088353209,358831489968,2194871810161, 13360530869522,81592856993069,497198985724188, 3034219396275101] |