n | a(n) |
---|---|
1 | 5 |
2 | 57 |
3 | 489 |
4 | 4125 |
5 | 35117 |
6 | 299681 |
7 | 2557605 |
8 | 21826045 |
9 | 186255781 |
10 | 1589441093 |
11 | 13563736693 |
12 | 115748216413 |
13 | 987755062201 |
14 | 8429158472781 |
15 | 71931509371765 |
16 | 613838505628281 |
17 | 5238284505542721 |
18 | 44701699729693429 |
19 | 381468772192258129 |
20 | 3255321946095461785 |
21 | 27779786302899765081 |
[5,57,489,4125,35117,299681,2557605,21826045, 186255781,1589441093,13563736693,115748216413, 987755062201,8429158472781,71931509371765, 613838505628281,5238284505542721, 44701699729693429,381468772192258129, 3255321946095461785,27779786302899765081] |