n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 9 |
5 | 19 |
6 | 44 |
7 | 111 |
8 | 328 |
9 | 1090 |
10 | 3988 |
11 | 15838 |
12 | 67295 |
13 | 301417 |
14 | 1412821 |
15 | 6882398 |
16 | 34682721 |
17 | 180170661 |
18 | 962288228 |
19 | 5273162329 |
[1,2,5,9,19,44,111,328,1090,3988,15838,67295, 301417,1412821,6882398,34682721,180170661, 962288228,5273162329] |