n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 21 |
5 | 56 |
6 | 63 |
7 | 168 |
8 | 252 |
9 | 504 |
10 | 819 |
11 | 2184 |
12 | 3276 |
13 | 6552 |
14 | 15561 |
15 | 32760 |
16 | 62244 |
17 | 124488 |
18 | 482391 |
19 | 622440 |
20 | 1929564 |
21 | 3859128 |
22 | 17848467 |
23 | 19295640 |
24 | 71393868 |
25 | 142787736 |
26 | 713938680 |
27 | 3069936324 |
28 | 6139872648 |
29 | 30699363240 |
30 | 187266115764 |
31 | 337692995640 |
32 | 374532231528 |
[1,3,7,21,56,63,168,252,504,819,2184,3276,6552, 15561,32760,62244,124488,482391,622440,1929564, 3859128,17848467,19295640,71393868,142787736, 713938680,3069936324,6139872648,30699363240, 187266115764,337692995640,374532231528] |