n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 26 |
5 | 73 |
6 | 194 |
7 | 485 |
8 | 1150 |
9 | 2617 |
10 | 5779 |
11 | 12497 |
12 | 26653 |
13 | 56355 |
14 | 118545 |
15 | 248605 |
16 | 520365 |
17 | 1087853 |
18 | 2272770 |
19 | 4748677 |
20 | 9930475 |
21 | 20800122 |
22 | 43658310 |
23 | 91836751 |
24 | 193549010 |
25 | 408449129 |
26 | 862455193 |
27 | 1820771343 |
28 | 3840569196 |
29 | 8089327515 |
[1,3,9,26,73,194,485,1150,2617,5779,12497,26653, 56355,118545,248605,520365,1087853,2272770, 4748677,9930475,20800122,43658310,91836751, 193549010,408449129,862455193,1820771343, 3840569196,8089327515] |