n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 28 |
6 | 66 |
7 | 172 |
8 | 440 |
9 | 1108 |
10 | 2784 |
11 | 7552 |
12 | 20040 |
13 | 52336 |
14 | 136896 |
15 | 374688 |
16 | 1013056 |
17 | 2710016 |
18 | 7243104 |
19 | 20078784 |
20 | 55031040 |
21 | 149414144 |
22 | 405759232 |
23 | 1130565632 |
24 | 3125798656 |
25 | 8582582272 |
26 | 23543099392 |
27 | 66051398144 |
28 | 183922571264 |
29 | 508945206272 |
[1,2,5,12,28,66,172,440,1108,2784,7552,20040, 52336,136896,374688,1013056,2710016,7243104, 20078784,55031040,149414144,405759232,1130565632, 3125798656,8582582272,23543099392,66051398144, 183922571264,508945206272] |