n | a(n) |
---|---|
1 | 2 |
2 | 29 |
3 | 180 |
4 | 873 |
5 | 3710 |
6 | 14523 |
7 | 53735 |
8 | 190781 |
9 | 656349 |
10 | 2202646 |
11 | 7244771 |
12 | 23436689 |
13 | 74767863 |
14 | 235710439 |
15 | 735528908 |
16 | 2274844293 |
17 | 6980781345 |
18 | 21273830000 |
19 | 64432110647 |
20 | 194066078163 |
21 | 581597738907 |
22 | 1735097817527 |
23 | 5155001023065 |
[2,29,180,873,3710,14523,53735,190781,656349, 2202646,7244771,23436689,74767863,235710439, 735528908,2274844293,6980781345,21273830000, 64432110647,194066078163,581597738907, 1735097817527,5155001023065] |