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| n | a(n) |
|---|---|
| 1 | 521 |
| 2 | 31 |
| 3 | 601 |
| 4 | 19531 |
| 5 | 12207031 |
| 6 | 390001 |
| 7 | 305175781 |
| 8 | 234750601 |
| 9 | 60081451169922001 |
| 10 | 152587500001 |
| 11 | 10910444855403996246103496881 |
| 12 | 59509429687890001 |
| 13 | 11293772630057337854244300009061892827351888021 |
| 14 | 9080418348371887359375390001 |
| 15 | 5465713352000770660547109750601 |
[521,31,601,19531,12207031,390001,305175781, 234750601,60081451169922001,152587500001, 10910444855403996246103496881,59509429687890001, 11293772630057337854244300009061892827351888021, 9080418348371887359375390001, 5465713352000770660547109750601] |