n | a(n) |
---|---|
1 | 1 |
2 | 10 |
3 | 63 |
4 | 324 |
5 | 1485 |
6 | 6318 |
7 | 25515 |
8 | 99144 |
9 | 373977 |
10 | 1377810 |
11 | 4979799 |
12 | 17714700 |
13 | 62178597 |
14 | 215765046 |
15 | 741360195 |
16 | 2525407632 |
17 | 8537599665 |
18 | 28669116186 |
19 | 95692860783 |
20 | 317684800980 |
21 | 1049522104701 |
22 | 3451916556990 |
23 | 11307641812443 |
[1,10,63,324,1485,6318,25515,99144,373977,1377810, 4979799,17714700,62178597,215765046,741360195, 2525407632,8537599665,28669116186,95692860783, 317684800980,1049522104701,3451916556990, 11307641812443] |