n | a(n) |
---|---|
1 | 3 |
2 | 12 |
3 | 53 |
4 | 254 |
5 | 1255 |
6 | 6256 |
7 | 31257 |
8 | 156258 |
9 | 781259 |
10 | 3906260 |
11 | 19531261 |
12 | 97656262 |
13 | 488281263 |
14 | 2441406264 |
15 | 12207031265 |
16 | 61035156266 |
17 | 305175781267 |
18 | 1525878906268 |
19 | 7629394531269 |
20 | 38146972656270 |
21 | 190734863281271 |
[3,12,53,254,1255,6256,31257,156258,781259, 3906260,19531261,97656262,488281263,2441406264, 12207031265,61035156266,305175781267, 1525878906268,7629394531269,38146972656270, 190734863281271] |