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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 11 |
| 4 | 21 |
| 5 | 43 |
| 6 | 69 |
| 7 | 219 |
| 8 | 261 |
| 9 | 795 |
| 10 | 1365 |
| 11 | 3051 |
| 12 | 5013 |
| 13 | 15083 |
| 14 | 17861 |
| 15 | 53723 |
| 16 | 87877 |
| 17 | 243547 |
| 18 | 447893 |
| 19 | 679915 |
| 20 | 1824277 |
| 21 | 2882155 |
| 22 | 8078149 |
| 23 | 16763355 |
| 24 | 32374725 |
| 25 | 67017563 |
| 26 | 129490709 |
| 27 | 249187691 |
| 28 | 442465941 |
| 29 | 726274539 |
| 30 | 1979610565 |
| 31 | 3454735323 |
| 32 | 6404537157 |
| 33 | 11658376027 |
[1,3,5,11,21,43,69,219,261,795,1365,3051,5013, 15083,17861,53723,87877,243547,447893,679915, 1824277,2882155,8078149,16763355,32374725, 67017563,129490709,249187691,442465941,726274539, 1979610565,3454735323,6404537157,11658376027] |