n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 7 |
4 | 15 |
5 | 56 |
6 | 101 |
7 | 297 |
8 | 490 |
9 | 1255 |
10 | 4565 |
11 | 6842 |
12 | 21637 |
13 | 44583 |
14 | 63261 |
15 | 124754 |
16 | 329931 |
17 | 831820 |
18 | 1121505 |
19 | 2679689 |
20 | 4697205 |
21 | 6185689 |
22 | 13848650 |
23 | 23338469 |
24 | 49995925 |
25 | 133230930 |
26 | 214481126 |
27 | 271248950 |
28 | 431149389 |
29 | 541946240 |
30 | 851376628 |
31 | 3913864295 |
32 | 5964539504 |
33 | 11097645016 |
[2,3,7,15,56,101,297,490,1255,4565,6842,21637, 44583,63261,124754,329931,831820,1121505,2679689, 4697205,6185689,13848650,23338469,49995925, 133230930,214481126,271248950,431149389,541946240, 851376628,3913864295,5964539504,11097645016] |