n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 7 |
4 | 27 |
5 | 703 |
6 | 10087 |
7 | 35655 |
8 | 270271 |
9 | 362343 |
10 | 381727 |
11 | 626331 |
12 | 1027431 |
13 | 1126015 |
14 | 8088063 |
15 | 13421671 |
16 | 20638335 |
17 | 26716671 |
18 | 56924955 |
19 | 63728127 |
20 | 217740015 |
21 | 1200991791 |
22 | 1827397567 |
23 | 2788008987 |
24 | 12235060455 |
[2,3,7,27,703,10087,35655,270271,362343,381727, 626331,1027431,1126015,8088063,13421671,20638335, 26716671,56924955,63728127,217740015,1200991791, 1827397567,2788008987,12235060455] |