n | a(n) |
---|---|
1 | 5 |
2 | 15 |
3 | 35 |
4 | 120 |
5 | 201 |
6 | 1505 |
7 | 2015 |
8 | 14070 |
9 | 37085 |
10 | 246753 |
11 | 445515 |
12 | 5205790 |
13 | 7832185 |
14 | 72703645 |
15 | 254689657 |
16 | 1196213445 |
17 | 2805046965 |
18 | 35322811755 |
19 | 55770979195 |
20 | 596439735024 |
21 | 1892294578755 |
22 | 10837223014665 |
23 | 23559159229935 |
24 | 310484619147940 |
25 | 596046508875701 |
26 | 4776013513099405 |
27 | 15330413466776835 |
28 | 110874578286500410 |
[5,15,35,120,201,1505,2015,14070,37085,246753, 445515,5205790,7832185,72703645,254689657, 1196213445,2805046965,35322811755,55770979195, 596439735024,1892294578755,10837223014665, 23559159229935,310484619147940,596046508875701, 4776013513099405,15330413466776835, 110874578286500410] |