n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 21 |
3 | 217 |
4 | 2904 |
5 | 47337 |
6 | 906557 |
7 | 19910808 |
8 | 492818850 |
9 | 13564326950 |
10 | 410807572044 |
11 | 13573135469214 |
12 | 485765085176420 |
13 | 18717987193565613 |
14 | 772565258231236269 |
15 | 34002334709760133807 |
16 | 1589555183231724515700 |
[1,3,21,217,2904,47337,906557,19910808,492818850, 13564326950,410807572044,13573135469214, 485765085176420,18717987193565613, 772565258231236269,34002334709760133807, 1589555183231724515700] |