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| n | a(n) |
|---|---|
| 1 | 78125 |
| 2 | 157071768 |
| 3 | 152267520 |
| 4 | 225444912 |
| 5 | 309447168 |
| 6 | 579039920 |
| 7 | 1135042936 |
| 8 | 2998567088 |
| 9 | 8724089616 |
| 10 | 18964065400 |
| 11 | 44566825520 |
| 12 | 107404139812 |
| 13 | 337477736424 |
| 14 | 721835834136 |
| 15 | 1878102206024 |
| 16 | 4325671914740 |
| 17 | 13771113959216 |
| 18 | 29460813516752 |
[78125,157071768,152267520,225444912,309447168, 579039920,1135042936,2998567088,8724089616, 18964065400,44566825520,107404139812,337477736424, 721835834136,1878102206024,4325671914740, 13771113959216,29460813516752] |