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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 6 |
| 4 | 11 |
| 5 | 72 |
| 6 | 83 |
| 7 | 155 |
| 8 | 703 |
| 9 | 858 |
| 10 | 41887 |
| 11 | 42745 |
| 12 | 212867 |
| 13 | 255612 |
| 14 | 468479 |
| 15 | 3066486 |
| 16 | 3534965 |
| 17 | 6601451 |
| 18 | 29940769 |
| 19 | 36542220 |
| 20 | 1783967329 |
| 21 | 1820509549 |
| 22 | 9066005525 |
| 23 | 10886515074 |
| 24 | 19952520599 |
| 25 | 130601638668 |
| 26 | 150554159267 |
| 27 | 281155797935 |
| 28 | 1275177351007 |
| 29 | 1556333148942 |
[1,1,5,6,11,72,83,155,703,858,41887,42745,212867, 255612,468479,3066486,3534965,6601451,29940769, 36542220,1783967329,1820509549,9066005525, 10886515074,19952520599,130601638668,150554159267, 281155797935,1275177351007,1556333148942] |