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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 10 |
| 6 | 18 |
| 7 | 35 |
| 8 | 73 |
| 9 | 151 |
| 10 | 306 |
| 11 | 623 |
| 12 | 1286 |
| 13 | 2668 |
| 14 | 5531 |
| 15 | 11477 |
| 16 | 23889 |
| 17 | 49852 |
| 18 | 104175 |
| 19 | 217936 |
| 20 | 456534 |
| 21 | 957609 |
| 22 | 2010839 |
| 23 | 4226417 |
| 24 | 8891022 |
| 25 | 18719637 |
| 26 | 39443860 |
| 27 | 83170162 |
| 28 | 175484915 |
| 29 | 370491775 |
| 30 | 782648333 |
| 31 | 1654197568 |
| 32 | 3498049053 |
| 33 | 7400639286 |
| 34 | 15664103420 |
| 35 | 33168342557 |
| 36 | 70260909811 |
[1,1,1,2,5,10,18,35,73,151,306,623,1286,2668,5531, 11477,23889,49852,104175,217936,456534,957609, 2010839,4226417,8891022,18719637,39443860, 83170162,175484915,370491775,782648333,1654197568, 3498049053,7400639286,15664103420,33168342557, 70260909811] |