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| n | a(n) |
|---|---|
| 10 | 38 |
| 11 | 587 |
| 12 | 4785 |
| 13 | 31398 |
| 14 | 190050 |
| 15 | 1043248 |
| 16 | 5324534 |
| 17 | 25711105 |
| 18 | 119092876 |
| 19 | 533680433 |
| 20 | 2329450085 |
| 21 | 9955122396 |
| 22 | 41824314441 |
| 23 | 173289259905 |
| 24 | 709861015186 |
| 25 | 2880803895035 |
| 26 | 11601285215222 |
| 27 | 46422795985447 |
| 28 | 184784743066842 |
| 29 | 732324944072523 |
| 30 | 2891815190097065 |
| 31 | 11385122145001833 |
[38,587,4785,31398,190050,1043248,5324534, 25711105,119092876,533680433,2329450085, 9955122396,41824314441,173289259905,709861015186, 2880803895035,11601285215222,46422795985447, 184784743066842,732324944072523,2891815190097065, 11385122145001833] |