n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 28 |
6 | 84 |
7 | 272 |
8 | 1679 |
9 | 5564 |
10 | 19613 |
11 | 70504 |
12 | 311534 |
13 | 1172750 |
14 | 4405073 |
15 | 16581264 |
16 | 67108040 |
17 | 260573610 |
18 | 1004778126 |
19 | 3867996120 |
20 | 15289911196 |
21 | 59854486782 |
22 | 233437968413 |
23 | 909025875014 |
24 | 3575067252387 |
25 | 14038457059264 |
[1,2,5,14,28,84,272,1679,5564,19613,70504,311534, 1172750,4405073,16581264,67108040,260573610, 1004778126,3867996120,15289911196,59854486782, 233437968413,909025875014,3575067252387, 14038457059264] |