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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 11 |
| 4 | 38 |
| 5 | 49 |
| 6 | 87 |
| 7 | 1006 |
| 8 | 2099 |
| 9 | 3105 |
| 10 | 11414 |
| 11 | 219971 |
| 12 | 231385 |
| 13 | 451356 |
| 14 | 682741 |
| 15 | 1134097 |
| 16 | 7487323 |
| 17 | 8621420 |
| 18 | 50594423 |
| 19 | 59215843 |
| 20 | 228241952 |
| 21 | 1885151459 |
| 22 | 5883696329 |
| 23 | 7768847788 |
| 24 | 44727935269 |
| 25 | 52496783057 |
| 26 | 359708633611 |
| 27 | 412205416668 |
| 28 | 771914050279 |
[1,1,5,11,38,49,87,1006,2099,3105,11414,219971, 231385,451356,682741,1134097,7487323,8621420, 50594423,59215843,228241952,1885151459,5883696329, 7768847788,44727935269,52496783057,359708633611, 412205416668,771914050279] |