n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 8 |
4 | 35 |
5 | 98 |
6 | 431 |
7 | 1361 |
8 | 6203 |
9 | 21117 |
10 | 97367 |
11 | 349863 |
12 | 1628534 |
13 | 6075216 |
14 | 28476830 |
15 | 109268287 |
16 | 514736603 |
17 | 2019723490 |
18 | 9551131625 |
19 | 38146488279 |
20 | 180943166799 |
21 | 733323214843 |
22 | 3486859436279 |
23 | 14304847475503 |
24 | 68153275274225 |
25 | 282505125588502 |
26 | 1348167924533795 |
27 | 5638208585217986 |
28 | 26943787555922353 |
[1,1,4,8,35,98,431,1361,6203,21117,97367,349863, 1628534,6075216,28476830,109268287,514736603, 2019723490,9551131625,38146488279,180943166799, 733323214843,3486859436279,14304847475503, 68153275274225,282505125588502,1348167924533795, 5638208585217986,26943787555922353] |