n | a(n) |
---|---|
0 | 31 |
1 | 63 |
2 | 157 |
3 | 9797 |
4 | 19751 |
5 | 49299 |
6 | 3076289 |
7 | 6201877 |
8 | 15480043 |
9 | 965964543 |
10 | 1947409129 |
11 | 4860782801 |
12 | 303315942791 |
13 | 611492668383 |
14 | 1526301279557 |
15 | 95242172000917 |
16 | 192010645281391 |
17 | 479263462563699 |
18 | 29906345324230729 |
19 | 60291954111025157 |
20 | 150490253546281043 |
[31,63,157,9797,19751,49299,3076289,6201877, 15480043,965964543,1947409129,4860782801, 303315942791,611492668383,1526301279557, 95242172000917,192010645281391,479263462563699, 29906345324230729,60291954111025157, 150490253546281043] |