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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 13 |
| 4 | 21 |
| 5 | 53 |
| 6 | 81 |
| 7 | 219 |
| 8 | 321 |
| 9 | 867 |
| 10 | 1349 |
| 11 | 3397 |
| 12 | 5445 |
| 13 | 13765 |
| 14 | 20613 |
| 15 | 55749 |
| 16 | 83685 |
| 17 | 223325 |
| 18 | 350405 |
| 19 | 877741 |
| 20 | 1390013 |
| 21 | 3491401 |
| 22 | 5344191 |
| 23 | 14291369 |
| 24 | 21109439 |
| 25 | 57027793 |
| 26 | 88607355 |
| 27 | 223353093 |
| 28 | 360197903 |
| 29 | 899704459 |
| 30 | 1353758813 |
| 31 | 3654849763 |
| 32 | 5469747127 |
| 33 | 14630081865 |
[1,3,5,13,21,53,81,219,321,867,1349,3397,5445, 13765,20613,55749,83685,223325,350405,877741, 1390013,3491401,5344191,14291369,21109439, 57027793,88607355,223353093,360197903,899704459, 1353758813,3654849763,5469747127,14630081865] |