n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 15 |
4 | 21 |
5 | 21 |
6 | 27 |
7 | 35 |
8 | 35 |
9 | 56 |
10 | 70 |
11 | 84 |
12 | 105 |
13 | 105 |
14 | 105 |
15 | 120 |
16 | 168 |
17 | 189 |
18 | 189 |
19 | 189 |
20 | 210 |
21 | 210 |
22 | 216 |
23 | 280 |
24 | 280 |
25 | 315 |
26 | 336 |
27 | 378 |
28 | 405 |
29 | 420 |
30 | 512 |
[1,7,15,21,21,27,35,35,56,70,84,105,105,105,120, 168,189,189,189,210,210,216,280,280,315,336,378, 405,420,512] |