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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 7 |
| 9 | 15 |
| 10 | 31 |
| 11 | 63 |
| 12 | 127 |
| 13 | 257 |
| 14 | 535 |
| 15 | 1187 |
| 16 | 2891 |
| 17 | 7751 |
| 18 | 22331 |
| 19 | 66997 |
| 20 | 204473 |
| 21 | 626917 |
| 22 | 1922395 |
| 23 | 5899579 |
| 24 | 18192715 |
| 25 | 56739881 |
| 26 | 180434023 |
| 27 | 590010059 |
| 28 | 1997588833 |
| 29 | 7026454733 |
| 30 | 25650892255 |
| 31 | 96720885037 |
| 32 | 374163527473 |
| 33 | 1475021500693 |
| 34 | 5893462132221 |
[1,1,1,1,1,1,1,3,7,15,31,63,127,257,535,1187,2891, 7751,22331,66997,204473,626917,1922395,5899579, 18192715,56739881,180434023,590010059,1997588833, 7026454733,25650892255,96720885037,374163527473, 1475021500693,5893462132221] |