n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 143 |
4 | 285 |
5 | 569 |
6 | 683 |
7 | 1138 |
8 | 1366 |
9 | 2276 |
10 | 154203 |
11 | 308405 |
12 | 616810 |
13 | 678491 |
14 | 1356981 |
15 | 1480343 |
16 | 2713962 |
17 | 2960686 |
18 | 2212558911 |
19 | 4425117821 |
20 | 8850235641 |
21 | 17700471281 |
[1,3,143,285,569,683,1138,1366,2276,154203,308405, 616810,678491,1356981,1480343,2713962,2960686, 2212558911,4425117821,8850235641,17700471281] |