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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 11 |
| 5 | 15 |
| 6 | 29 |
| 7 | 78 |
| 8 | 160 |
| 9 | 283 |
| 10 | 574 |
| 11 | 1428 |
| 12 | 3087 |
| 13 | 5800 |
| 14 | 12563 |
| 15 | 30105 |
| 16 | 63994 |
| 17 | 128826 |
| 18 | 285423 |
| 19 | 656667 |
| 20 | 1407398 |
| 21 | 2951141 |
| 22 | 6564161 |
| 23 | 14805297 |
| 24 | 31974359 |
| 25 | 68620812 |
| 26 | 152674200 |
| 27 | 340729396 |
| 28 | 740843841 |
| 29 | 1612122145 |
| 30 | 3583332695 |
| 31 | 7954071929 |
[1,3,5,11,15,29,78,160,283,574,1428,3087,5800, 12563,30105,63994,128826,285423,656667,1407398, 2951141,6564161,14805297,31974359,68620812, 152674200,340729396,740843841,1612122145, 3583332695,7954071929] |