n | a(n) |
---|---|
0 | 2 |
1 | 7 |
2 | 22 |
3 | 72 |
4 | 232 |
5 | 752 |
6 | 2432 |
7 | 7872 |
8 | 25472 |
9 | 82432 |
10 | 266752 |
11 | 863232 |
12 | 2793472 |
13 | 9039872 |
14 | 29253632 |
15 | 94666752 |
16 | 306348032 |
17 | 991363072 |
18 | 3208118272 |
19 | 10381688832 |
20 | 33595850752 |
21 | 108718456832 |
22 | 351820316672 |
23 | 1138514460672 |
24 | 3684310188032 |
[2,7,22,72,232,752,2432,7872,25472,82432,266752, 863232,2793472,9039872,29253632,94666752, 306348032,991363072,3208118272,10381688832, 33595850752,108718456832,351820316672, 1138514460672,3684310188032] |