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| n | a(n) |
|---|---|
| 1 | 1500625 |
| 2 | 294122500 |
| 3 | 57648010000 |
| 4 | 4067643585600 |
| 5 | 287012931399936 |
| 6 | 10332465530397696 |
| 7 | 371968759094317056 |
| 8 | 8266815890892066816 |
| 9 | 183725765411866546176 |
| 10 | 2835563471280083174400 |
| 11 | 43763160717460467360000 |
[1500625,294122500,57648010000,4067643585600, 287012931399936,10332465530397696, 371968759094317056,8266815890892066816, 183725765411866546176,2835563471280083174400, 43763160717460467360000] |