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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 10 |
| 4 | 21 |
| 5 | 44 |
| 6 | 92 |
| 7 | 189 |
| 8 | 385 |
| 9 | 778 |
| 10 | 1565 |
| 11 | 3141 |
| 12 | 6294 |
| 13 | 12602 |
| 14 | 25219 |
| 15 | 50454 |
| 16 | 100926 |
| 17 | 201871 |
| 18 | 403763 |
| 19 | 807548 |
| 20 | 1615119 |
| 21 | 3230263 |
| 22 | 6460552 |
| 23 | 12921132 |
| 24 | 25842293 |
| 25 | 51684616 |
| 26 | 103369264 |
| 27 | 206738561 |
| 28 | 413477157 |
| 29 | 826954350 |
| 30 | 1653908737 |
| 31 | 3307817513 |
| 32 | 6615635066 |
| 33 | 13231270174 |
[1,5,10,21,44,92,189,385,778,1565,3141,6294,12602, 25219,50454,100926,201871,403763,807548,1615119, 3230263,6460552,12921132,25842293,51684616, 103369264,206738561,413477157,826954350, 1653908737,3307817513,6615635066,13231270174] |