n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 42 |
5 | 104 |
6 | 120 |
7 | 165 |
8 | 245 |
9 | 272 |
10 | 561 |
11 | 1806 |
12 | 47058 |
13 | 765625 |
14 | 1137501 |
15 | 3874128 |
16 | 9131793 |
17 | 2214502422 |
18 | 52495396602 |
[1,2,6,42,104,120,165,245,272,561,1806,47058, 765625,1137501,3874128,9131793,2214502422, 52495396602] |