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| n | a(n) |
|---|---|
| 1 | 17 |
| 2 | 48871 |
| 3 | 72155888332711 |
| 4 | 5612879326907642747716598753475172001050151332970028230897946300714884208847 |
[17,48871,72155888332711, 56128793269076427477165987534751720010501513329700\ 28230897946300714884208847] |