n | a(n) |
---|---|
1 | 181 |
2 | 521 |
3 | 1239 |
4 | 2865 |
5 | 6321 |
6 | 14009 |
7 | 30379 |
8 | 66865 |
9 | 145437 |
10 | 322009 |
11 | 708509 |
12 | 1586445 |
13 | 3542267 |
14 | 8034795 |
15 | 18210199 |
16 | 41826241 |
17 | 96089585 |
18 | 223154883 |
19 | 518575357 |
20 | 1215390177 |
21 | 2850562247 |
22 | 6729628421 |
23 | 15897536413 |
24 | 37742249421 |
25 | 89649505903 |
[181,521,1239,2865,6321,14009,30379,66865,145437, 322009,708509,1586445,3542267,8034795,18210199, 41826241,96089585,223154883,518575357,1215390177, 2850562247,6729628421,15897536413,37742249421, 89649505903] |