n | a(n) |
---|---|
1 | 15 |
2 | 104 |
3 | 708 |
4 | 4917 |
5 | 33297 |
6 | 204206 |
7 | 1108382 |
8 | 5361624 |
9 | 23477312 |
10 | 94474684 |
11 | 353596604 |
12 | 1242207201 |
13 | 4125406694 |
14 | 13026205724 |
15 | 39292608858 |
16 | 113681479364 |
17 | 316556625809 |
18 | 850933663116 |
19 | 2213918991347 |
20 | 5587988935294 |
21 | 13711077238915 |
[15,104,708,4917,33297,204206,1108382,5361624, 23477312,94474684,353596604,1242207201,4125406694, 13026205724,39292608858,113681479364,316556625809, 850933663116,2213918991347,5587988935294, 13711077238915] |