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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 16 |
| 2 | 117204 |
| 3 | 440051896440 |
| 4 | 825830699757513748579 |
| 5 | 769203260676279544212492116449800 |
| 6 | 354179806054404909542325896762875458037457353029 |
| 7 | 80433401895946253522491939742836167238530417144721958187080077425 |
[1,16,117204,440051896440,825830699757513748579, 769203260676279544212492116449800, 354179806054404909542325896762875458037457353029, 80433401895946253522491939742836167238530417144721\ 958187080077425] |