n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 7 |
4 | 21 |
5 | 71 |
6 | 253 |
7 | 925 |
8 | 3433 |
9 | 12871 |
10 | 48621 |
11 | 184757 |
12 | 705433 |
13 | 2704157 |
14 | 10400601 |
15 | 40116601 |
16 | 155117521 |
17 | 601080391 |
18 | 2333606221 |
19 | 9075135301 |
20 | 35345263801 |
21 | 137846528821 |
22 | 538257874441 |
23 | 2104098963721 |
24 | 8233430727601 |
25 | 32247603683101 |
26 | 126410606437753 |
27 | 495918532948105 |
[1,2,3,7,21,71,253,925,3433,12871,48621,184757, 705433,2704157,10400601,40116601,155117521, 601080391,2333606221,9075135301,35345263801, 137846528821,538257874441,2104098963721, 8233430727601,32247603683101,126410606437753, 495918532948105] |