n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 35 |
3 | 285 |
4 | 2530 |
5 | 23750 |
6 | 231850 |
7 | 2329850 |
8 | 23940475 |
9 | 250394375 |
10 | 2656849375 |
11 | 28529354375 |
12 | 309445377750 |
13 | 3385369628750 |
14 | 37312228370000 |
15 | 413913023212500 |
16 | 4617886656665625 |
17 | 51781448191328125 |
18 | 583266654383859375 |
19 | 6596645477096428125 |
20 | 74881064169289121875 |
[1,5,35,285,2530,23750,231850,2329850,23940475, 250394375,2656849375,28529354375,309445377750, 3385369628750,37312228370000,413913023212500, 4617886656665625,51781448191328125, 583266654383859375,6596645477096428125, 74881064169289121875] |