n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 8 |
5 | 17 |
6 | 46 |
7 | 110 |
8 | 307 |
9 | 848 |
10 | 2420 |
11 | 6962 |
12 | 20273 |
13 | 61162 |
14 | 185870 |
15 | 568890 |
16 | 1757412 |
17 | 5477941 |
18 | 17377747 |
19 | 55272016 |
20 | 176736009 |
21 | 568644124 |
22 | 1842453512 |
23 | 6025347906 |
24 | 19741386691 |
25 | 64938905399 |
26 | 214606827546 |
27 | 712767674928 |
28 | 2380612859574 |
29 | 7963607476122 |
30 | 26723258224939 |
31 | 89989967039606 |
32 | 304134328175480 |
[1,1,2,3,8,17,46,110,307,848,2420,6962,20273, 61162,185870,568890,1757412,5477941,17377747, 55272016,176736009,568644124,1842453512, 6025347906,19741386691,64938905399,214606827546, 712767674928,2380612859574,7963607476122, 26723258224939,89989967039606,304134328175480] |