n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 19 |
5 | 47 |
6 | 125 |
7 | 310 |
8 | 803 |
9 | 2020 |
10 | 5144 |
11 | 12986 |
12 | 32829 |
13 | 82728 |
14 | 208461 |
15 | 524092 |
16 | 1317284 |
17 | 3305350 |
18 | 8291010 |
19 | 20770830 |
[1,3,7,19,47,125,310,803,2020,5144,12986,32829, 82728,208461,524092,1317284,3305350,8291010, 20770830] |