n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 7 |
5 | 15 |
6 | 25 |
7 | 43 |
8 | 64 |
9 | 120 |
10 | 234 |
11 | 348 |
12 | 615 |
13 | 995 |
14 | 1817 |
15 | 4060 |
16 | 6039 |
17 | 10505 |
18 | 17947 |
19 | 30268 |
20 | 52289 |
21 | 122862 |
22 | 175180 |
23 | 311547 |
24 | 502859 |
25 | 860833 |
26 | 1359388 |
27 | 2391385 |
28 | 5262510 |
29 | 7592091 |
30 | 12992464 |
31 | 20881955 |
32 | 34210817 |
33 | 54117104 |
[1,1,2,5,7,15,25,43,64,120,234,348,615,995,1817, 4060,6039,10505,17947,30268,52289,122862,175180, 311547,502859,860833,1359388,2391385,5262510, 7592091,12992464,20881955,34210817,54117104] |