n | a(n) |
---|---|
0 | 3 |
1 | 10 |
2 | 54 |
3 | 352 |
4 | 2418 |
5 | 16840 |
6 | 117714 |
7 | 823672 |
8 | 5765058 |
9 | 40354120 |
10 | 282476274 |
11 | 1977328792 |
12 | 13841291298 |
13 | 96889018600 |
14 | 678223089234 |
15 | 4747561542712 |
16 | 33232930635138 |
17 | 232630514118280 |
18 | 1628413598172594 |
19 | 11398895185897432 |
[3,10,54,352,2418,16840,117714,823672,5765058, 40354120,282476274,1977328792,13841291298, 96889018600,678223089234,4747561542712, 33232930635138,232630514118280,1628413598172594, 11398895185897432] |