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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2771340 |
| 2 | 44524428808860 |
| 3 | 835982760936614190900 |
| 4 | 16702642470437308383606668060 |
| 5 | 345116202503279265243707597937393840 |
| 6 | 7282855378270617096441349556073829143864900 |
| 7 | 155927544469969434644890704895476696960247603510200 |
[1,2771340,44524428808860,835982760936614190900, 16702642470437308383606668060, 345116202503279265243707597937393840, 7282855378270617096441349556073829143864900, 15592754446996943464489070489547669696024760351020\ 0] |