n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 9 |
6 | 19 |
7 | 44 |
8 | 99 |
9 | 233 |
10 | 554 |
11 | 1346 |
12 | 3300 |
13 | 8219 |
14 | 20635 |
15 | 52300 |
16 | 133488 |
17 | 343033 |
18 | 886360 |
19 | 2302133 |
20 | 6005835 |
[1,1,2,4,9,19,44,99,233,554,1346,3300,8219,20635, 52300,133488,343033,886360,2302133,6005835] |