n | a(n) |
---|---|
1 | 4 |
2 | 14 |
3 | 118 |
4 | 919 |
5 | 7562 |
6 | 64721 |
7 | 563496 |
8 | 4956889 |
9 | 43888821 |
10 | 390006208 |
11 | 3473152825 |
12 | 30971163817 |
13 | 276395100537 |
14 | 2467754655037 |
15 | 22039067141607 |
16 | 196858997624033 |
17 | 1758568575970935 |
18 | 15710437359317486 |
19 | 140356344121017589 |
[4,14,118,919,7562,64721,563496,4956889,43888821, 390006208,3473152825,30971163817,276395100537, 2467754655037,22039067141607,196858997624033, 1758568575970935,15710437359317486, 140356344121017589] |