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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 7 |
| 5 | 19 |
| 6 | 26 |
| 7 | 71 |
| 8 | 97 |
| 9 | 265 |
| 10 | 362 |
| 11 | 989 |
| 12 | 1351 |
| 13 | 3691 |
| 14 | 5042 |
| 15 | 13775 |
| 16 | 18817 |
| 17 | 51409 |
| 18 | 70226 |
| 19 | 191861 |
| 20 | 262087 |
| 21 | 716035 |
| 22 | 978122 |
| 23 | 2672279 |
| 24 | 3650401 |
| 25 | 9973081 |
| 26 | 13623482 |
| 27 | 37220045 |
| 28 | 50843527 |
| 29 | 138907099 |
| 30 | 189750626 |
| 31 | 518408351 |
| 32 | 708158977 |
| 33 | 1934726305 |
[1,1,2,5,7,19,26,71,97,265,362,989,1351,3691,5042, 13775,18817,51409,70226,191861,262087,716035, 978122,2672279,3650401,9973081,13623482,37220045, 50843527,138907099,189750626,518408351,708158977, 1934726305] |