n | a(n) |
---|---|
1 | 3 |
2 | 13 |
3 | 62 |
4 | 461 |
5 | 2872 |
6 | 21790 |
7 | 154108 |
8 | 1174235 |
9 | 8682209 |
10 | 66280564 |
11 | 500956582 |
12 | 3842195970 |
13 | 29399659661 |
14 | 226595079490 |
15 | 1747037865422 |
16 | 13523344571285 |
17 | 104799855374221 |
18 | 814166845363267 |
19 | 6333123661559589 |
20 | 49348005883512820 |
[3,13,62,461,2872,21790,154108,1174235,8682209, 66280564,500956582,3842195970,29399659661, 226595079490,1747037865422,13523344571285, 104799855374221,814166845363267,6333123661559589, 49348005883512820] |