n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 31 |
4 | 179 |
5 | 787 |
6 | 6631 |
7 | 2456299 |
8 | 33235913 |
9 | 158433901 |
10 | 17980176031 |
11 | 2794938616471 |
12 | 8546650588601 |
13 | 5595650767265101 |
14 | 35480190026972501 |
15 | 15523069639558351459 |
16 | 455264603021602214213 |
17 | 57023540590242398853649 |
18 | 949437664962426221725789 |
19 | 5469912218467062529961407 |
[1,2,31,179,787,6631,2456299,33235913,158433901, 17980176031,2794938616471,8546650588601, 5595650767265101,35480190026972501, 15523069639558351459,455264603021602214213, 57023540590242398853649,949437664962426221725789, 5469912218467062529961407] |