n | a(n) |
---|---|
0 | 2 |
1 | 8 |
2 | 38 |
3 | 212 |
4 | 1370 |
5 | 10112 |
6 | 84158 |
7 | 780908 |
8 | 8000882 |
9 | 89763320 |
10 | 1094915222 |
11 | 14431179908 |
12 | 204423631178 |
13 | 3097603939952 |
14 | 50001759773870 |
15 | 856665220770332 |
16 | 15526612798028258 |
17 | 296825612428239848 |
18 | 5969385443426556422 |
19 | 125983618731675924020 |
20 | 2784204907403441680442 |
[2,8,38,212,1370,10112,84158,780908,8000882, 89763320,1094915222,14431179908,204423631178, 3097603939952,50001759773870,856665220770332, 15526612798028258,296825612428239848, 5969385443426556422,125983618731675924020, 2784204907403441680442] |