n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 11 |
6 | 60 |
7 | 502 |
8 | 7403 |
9 | 197442 |
10 | 9804368 |
11 | 902818087 |
12 | 153721215608 |
13 | 48443044675155 |
14 | 28363687700395422 |
15 | 30996524108446916915 |
16 | 63502033750022111383196 |
17 | 244852545022627009655180986 |
18 | 1783161611023802810566806448531 |
19 | 24603891215865809635944516464394339 |
[1,0,1,3,11,60,502,7403,197442,9804368,902818087, 153721215608,48443044675155,28363687700395422, 30996524108446916915,63502033750022111383196, 244852545022627009655180986, 1783161611023802810566806448531, 24603891215865809635944516464394339] |