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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 15 |
| 5 | 21 |
| 6 | 67 |
| 7 | 83 |
| 8 | 179 |
| 9 | 275 |
| 10 | 701 |
| 11 | 780 |
| 12 | 2359 |
| 13 | 2567 |
| 14 | 6011 |
| 15 | 11284 |
| 16 | 22593 |
| 17 | 24019 |
| 18 | 72089 |
| 19 | 76112 |
| 20 | 190311 |
| 21 | 333064 |
| 22 | 732773 |
| 23 | 766103 |
| 24 | 2298349 |
| 25 | 2872961 |
| 26 | 6224789 |
| 27 | 9337213 |
| 28 | 21786875 |
| 29 | 22565006 |
| 30 | 84618829 |
| 31 | 87439484 |
| 32 | 174879017 |
| 33 | 288550415 |
[1,3,5,15,21,67,83,179,275,701,780,2359,2567,6011, 11284,22593,24019,72089,76112,190311,333064, 732773,766103,2298349,2872961,6224789,9337213, 21786875,22565006,84618829,87439484,174879017, 288550415] |