n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 10 |
5 | 15 |
6 | 22 |
7 | 68 |
8 | 153 |
9 | 174 |
10 | 615 |
11 | 656 |
12 | 1422 |
13 | 1711 |
14 | 1846 |
15 | 2425 |
16 | 7164 |
17 | 8791 |
18 | 13988 |
19 | 42755 |
20 | 48290 |
21 | 186108 |
22 | 221131 |
23 | 3860731 |
[1,2,6,10,15,22,68,153,174,615,656,1422,1711,1846, 2425,7164,8791,13988,42755,48290,186108,221131, 3860731] |