n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 2 |
4 | 3 |
5 | 6 |
6 | 10 |
7 | 19 |
8 | 35 |
9 | 63 |
10 | 115 |
11 | 215 |
12 | 400 |
13 | 759 |
14 | 1430 |
15 | 2735 |
16 | 5236 |
17 | 10058 |
18 | 19392 |
19 | 37503 |
20 | 72686 |
21 | 141120 |
22 | 274439 |
23 | 534633 |
24 | 1042879 |
25 | 2036824 |
26 | 3982508 |
27 | 7794887 |
28 | 15270563 |
29 | 29941088 |
30 | 58751556 |
31 | 115367299 |
32 | 226690692 |
33 | 445709729 |
34 | 876839450 |
[0,0,0,2,3,6,10,19,35,63,115,215,400,759,1430, 2735,5236,10058,19392,37503,72686,141120,274439, 534633,1042879,2036824,3982508,7794887,15270563, 29941088,58751556,115367299,226690692,445709729, 876839450] |