n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 41 |
6 | 119 |
7 | 336 |
8 | 927 |
9 | 2527 |
10 | 6870 |
11 | 18717 |
12 | 51155 |
13 | 140120 |
14 | 384147 |
15 | 1053147 |
16 | 2886182 |
17 | 7906953 |
18 | 21657679 |
19 | 59318944 |
20 | 162475127 |
21 | 445041287 |
22 | 1219069014 |
23 | 3339354501 |
24 | 9147387195 |
25 | 25057021032 |
26 | 68637206987 |
27 | 188013260835 |
28 | 515011570790 |
29 | 1410735630289 |
[1,2,5,14,41,119,336,927,2527,6870,18717,51155, 140120,384147,1053147,2886182,7906953,21657679, 59318944,162475127,445041287,1219069014, 3339354501,9147387195,25057021032,68637206987, 188013260835,515011570790,1410735630289] |