n | a(n) |
---|---|
2 | 2 |
3 | 6 |
4 | 18 |
5 | 42 |
6 | 69 |
7 | 126 |
8 | 207 |
9 | 378 |
10 | 621 |
11 | 906 |
12 | 1311 |
13 | 1863 |
14 | 2718 |
15 | 3825 |
16 | 4509 |
17 | 5589 |
18 | 8154 |
19 | 11475 |
20 | 13527 |
21 | 16767 |
22 | 20130 |
23 | 24909 |
24 | 30894 |
25 | 36078 |
26 | 40581 |
27 | 50301 |
28 | 60390 |
29 | 72675 |
30 | 85671 |
31 | 92682 |
32 | 107910 |
33 | 118503 |
34 | 121743 |
35 | 150903 |
[2,6,18,42,69,126,207,378,621,906,1311,1863,2718, 3825,4509,5589,8154,11475,13527,16767,20130,24909, 30894,36078,40581,50301,60390,72675,85671,92682, 107910,118503,121743,150903] |