n | a(n) |
---|---|
1 | 2 |
2 | 10 |
3 | 45 |
4 | 191 |
5 | 639 |
6 | 1925 |
7 | 5059 |
8 | 12197 |
9 | 27061 |
10 | 55957 |
11 | 109220 |
12 | 204227 |
13 | 361922 |
14 | 621790 |
15 | 1032797 |
16 | 1662821 |
17 | 2607574 |
18 | 4007507 |
19 | 5999290 |
20 | 8835971 |
21 | 12784870 |
22 | 18186200 |
23 | 25491781 |
24 | 35326689 |
25 | 48192368 |
26 | 65114102 |
27 | 87009836 |
28 | 115061673 |
29 | 150717188 |
[2,10,45,191,639,1925,5059,12197,27061,55957, 109220,204227,361922,621790,1032797,1662821, 2607574,4007507,5999290,8835971,12784870,18186200, 25491781,35326689,48192368,65114102,87009836, 115061673,150717188] |