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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 85 |
| 4 | 2625 |
| 5 | 119225 |
| 6 | 7209725 |
| 7 | 547774525 |
| 8 | 50342086425 |
| 9 | 5448583486625 |
| 10 | 680816992367125 |
| 11 | 96720369562897125 |
| 12 | 15433474653279056625 |
| 13 | 2738894920523846767625 |
| 14 | 536165521694896664958125 |
| 15 | 114986014404299081313978125 |
| 16 | 26857525461337375682549015625 |
| 17 | 6797751676147997291181732240625 |
| 18 | 1856223312322488721077123869053125 |
| 19 | 544728880837527263669006279810003125 |
| 20 | 171209466763535665605709125529165390625 |
[1,5,85,2625,119225,7209725,547774525,50342086425, 5448583486625,680816992367125,96720369562897125, 15433474653279056625,2738894920523846767625, 536165521694896664958125, 114986014404299081313978125, 26857525461337375682549015625, 6797751676147997291181732240625, 1856223312322488721077123869053125, 544728880837527263669006279810003125, 171209466763535665605709125529165390625] |