n | a(n) |
---|---|
1 | 4 |
2 | 14 |
3 | 38 |
4 | 109 |
5 | 419 |
6 | 1413 |
7 | 4708 |
8 | 16406 |
9 | 56424 |
10 | 192997 |
11 | 664256 |
12 | 2285461 |
13 | 7852493 |
14 | 26999600 |
15 | 92853653 |
16 | 319251681 |
17 | 1097719967 |
18 | 3774663142 |
19 | 12979283717 |
20 | 44629543176 |
21 | 153461588223 |
22 | 527686255393 |
23 | 1814475510183 |
24 | 6239176643497 |
[4,14,38,109,419,1413,4708,16406,56424,192997, 664256,2285461,7852493,26999600,92853653, 319251681,1097719967,3774663142,12979283717, 44629543176,153461588223,527686255393, 1814475510183,6239176643497] |