n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 6 |
4 | 10 |
5 | 24 |
6 | 51 |
7 | 84 |
8 | 251 |
9 | 419 |
10 | 755 |
11 | 960 |
12 | 3121 |
13 | 3582 |
14 | 4515 |
15 | 9299 |
16 | 35878 |
17 | 42613 |
18 | 127165 |
19 | 211625 |
20 | 235352 |
21 | 5457937 |
22 | 17353542 |
23 | 23023556 |
[1,3,6,10,24,51,84,251,419,755,960,3121,3582,4515, 9299,35878,42613,127165,211625,235352,5457937, 17353542,23023556] |