n | a(n) |
---|---|
1 | 3 |
2 | 9 |
3 | 35 |
4 | 162 |
5 | 717 |
6 | 8803 |
7 | 55761 |
8 | 648643 |
9 | 4706538 |
10 | 56003424 |
11 | 406023424 |
12 | 4784210119 |
13 | 35733523091 |
14 | 409997141918 |
15 | 3135766366849 |
16 | 35275686696609 |
17 | 275409726982013 |
18 | 3040622473638517 |
19 | 24210569242226366 |
20 | 262678073944123860 |
[3,9,35,162,717,8803,55761,648643,4706538, 56003424,406023424,4784210119,35733523091, 409997141918,3135766366849,35275686696609, 275409726982013,3040622473638517, 24210569242226366,262678073944123860] |