n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 29 |
4 | 105 |
5 | 401 |
6 | 1565 |
7 | 6235 |
8 | 25435 |
9 | 105201 |
10 | 440165 |
11 | 1861067 |
12 | 7942453 |
13 | 34118021 |
14 | 147539839 |
15 | 641724317 |
16 | 2805400805 |
17 | 12314901173 |
18 | 54284939599 |
19 | 240146460337 |
20 | 1065873647065 |
21 | 4744406887317 |
22 | 21177750028993 |
23 | 94762922039031 |
24 | 425024963073671 |
25 | 1910295056145189 |
26 | 8603324765426951 |
27 | 38816474157873677 |
[1,3,9,29,105,401,1565,6235,25435,105201,440165, 1861067,7942453,34118021,147539839,641724317, 2805400805,12314901173,54284939599,240146460337, 1065873647065,4744406887317,21177750028993, 94762922039031,425024963073671,1910295056145189, 8603324765426951,38816474157873677] |