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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 11 |
| 7 | 26 |
| 8 | 41 |
| 9 | 97 |
| 10 | 153 |
| 11 | 362 |
| 12 | 571 |
| 13 | 1351 |
| 14 | 2131 |
| 15 | 5042 |
| 16 | 7953 |
| 17 | 18817 |
| 18 | 29681 |
| 19 | 70226 |
| 20 | 110771 |
| 21 | 262087 |
| 22 | 413403 |
| 23 | 978122 |
| 24 | 1542841 |
| 25 | 3650401 |
| 26 | 5757961 |
| 27 | 13623482 |
| 28 | 21489003 |
| 29 | 50843527 |
| 30 | 80198051 |
| 31 | 189750626 |
| 32 | 299303201 |
| 33 | 708158977 |
| 34 | 1117014753 |
[1,1,1,2,3,7,11,26,41,97,153,362,571,1351,2131, 5042,7953,18817,29681,70226,110771,262087,413403, 978122,1542841,3650401,5757961,13623482,21489003, 50843527,80198051,189750626,299303201,708158977, 1117014753] |