n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 8 |
4 | 20 |
5 | 63 |
6 | 453 |
7 | 6311 |
8 | 92889 |
9 | 1847358 |
10 | 65801890 |
11 | 3339677315 |
12 | 218906752065 |
13 | 21593578996507 |
14 | 3271858745091063 |
15 | 693762002728416501 |
16 | 208397398216895893003 |
17 | 93110263365139995537485 |
[1,3,8,20,63,453,6311,92889,1847358,65801890, 3339677315,218906752065,21593578996507, 3271858745091063,693762002728416501, 208397398216895893003,93110263365139995537485] |