n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 13 |
5 | 29 |
6 | 64 |
7 | 141 |
8 | 311 |
9 | 686 |
10 | 1513 |
11 | 3337 |
12 | 7360 |
13 | 16233 |
14 | 35803 |
15 | 78966 |
16 | 174165 |
17 | 384133 |
18 | 847232 |
19 | 1868629 |
20 | 4121391 |
21 | 9090014 |
22 | 20048657 |
23 | 44218705 |
24 | 97527424 |
25 | 215103505 |
26 | 474425715 |
27 | 1046378854 |
28 | 2307861213 |
[0,1,3,6,13,29,64,141,311,686,1513,3337,7360, 16233,35803,78966,174165,384133,847232,1868629, 4121391,9090014,20048657,44218705,97527424, 215103505,474425715,1046378854,2307861213] |