n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 10 |
4 | 21 |
5 | 42 |
6 | 95 |
7 | 210 |
8 | 510 |
9 | 1258 |
10 | 3249 |
11 | 8538 |
12 | 23033 |
13 | 62778 |
14 | 173451 |
15 | 482690 |
16 | 1353075 |
17 | 3811362 |
18 | 10785233 |
19 | 30625194 |
20 | 87239997 |
21 | 249174234 |
22 | 713416599 |
23 | 2046945138 |
24 | 5884580072 |
25 | 16946835090 |
26 | 48883925865 |
27 | 141217957618 |
28 | 408519816609 |
29 | 1183291934298 |
30 | 3431535849811 |
[2,5,10,21,42,95,210,510,1258,3249,8538,23033, 62778,173451,482690,1353075,3811362,10785233, 30625194,87239997,249174234,713416599,2046945138, 5884580072,16946835090,48883925865,141217957618, 408519816609,1183291934298,3431535849811] |