n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 39 |
6 | 110 |
7 | 252 |
8 | 465 |
9 | 1001 |
10 | 9545 |
11 | 27634 |
12 | 136168 |
13 | 589394 |
14 | 398959 |
15 | 5394991 |
16 | 36568060 |
17 | 130087267 |
18 | 312129649 |
19 | 5779594018 |
20 | 5467464369 |
21 | 69204258903 |
22 | 186055048882 |
23 | 403978495031 |
24 | 8690849042711 |
25 | 25668568633102 |
26 | 246378923308185 |
27 | 1163579759684330 |
[1,2,3,7,39,110,252,465,1001,9545,27634,136168, 589394,398959,5394991,36568060,130087267, 312129649,5779594018,5467464369,69204258903, 186055048882,403978495031,8690849042711, 25668568633102,246378923308185,1163579759684330] |