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| n | a(n) |
|---|---|
| 19 | 1488257158851 |
| 20 | 176902009674966 |
| 21 | 13166075391964578 |
| 22 | 775944032960346939 |
| 23 | 39844140679287441918 |
| 24 | 1872063201155821139178 |
| 25 | 82897279832156950225548 |
| 26 | 3526803545750650310760216 |
| 27 | 146090377422354615989531688 |
| 28 | 5948505245302032452585146020 |
| 29 | 239776137775416266444362226760 |
[1488257158851,176902009674966,13166075391964578, 775944032960346939,39844140679287441918, 1872063201155821139178,82897279832156950225548, 3526803545750650310760216, 146090377422354615989531688, 5948505245302032452585146020, 239776137775416266444362226760] |