n | a(n) |
---|---|
0 | 1 |
1 | 31 |
2 | 259 |
3 | 1711 |
4 | 13259 |
5 | 104181 |
6 | 838567 |
7 | 6839941 |
8 | 56392139 |
9 | 468718939 |
10 | 3921391169 |
11 | 32982034061 |
12 | 278635097351 |
13 | 2362736395895 |
14 | 20099255075641 |
15 | 171451320170481 |
16 | 1466033625495387 |
17 | 12562096168712455 |
18 | 107842286116562887 |
[1,31,259,1711,13259,104181,838567,6839941, 56392139,468718939,3921391169,32982034061, 278635097351,2362736395895,20099255075641, 171451320170481,1466033625495387, 12562096168712455,107842286116562887] |