n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 33 |
4 | 245 |
5 | 1268 |
6 | 10903 |
7 | 108801 |
8 | 876184 |
9 | 7319995 |
10 | 70550669 |
11 | 663827604 |
12 | 6051592703 |
13 | 57695451167 |
14 | 563736086740 |
15 | 5452227384417 |
16 | 53094611797387 |
17 | 525962074892014 |
18 | 5232943624317191 |
19 | 52145361057635835 |
20 | 523458523860890906 |
[1,1,2,33,245,1268,10903,108801,876184,7319995, 70550669,663827604,6051592703,57695451167, 563736086740,5452227384417,53094611797387, 525962074892014,5232943624317191, 52145361057635835,523458523860890906] |