n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 15 |
4 | 35 |
5 | 1531513 |
6 | 2042057 |
7 | 3828689 |
8 | 4849879 |
9 | 5615321 |
10 | 8933993 |
11 | 9189469 |
12 | 14038957 |
13 | 16591609 |
14 | 17867867 |
15 | 20165077 |
16 | 20420417 |
17 | 28843849 |
18 | 31396331 |
19 | 34204153 |
20 | 37522621 |
21 | 43648643 |
22 | 82447517 |
[1,6,15,35,1531513,2042057,3828689,4849879, 5615321,8933993,9189469,14038957,16591609, 17867867,20165077,20420417,28843849,31396331, 34204153,37522621,43648643,82447517] |