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| n | a(n) |
|---|---|
| 1 | 131250000 |
| 2 | 231250000 |
| 3 | 331250000 |
| 4 | 393750000 |
| 5 | 431250000 |
| 6 | 531250000 |
| 7 | 631250000 |
| 8 | 693750000 |
| 9 | 731250000 |
| 10 | 831250000 |
| 11 | 911250000 |
| 12 | 931250000 |
| 13 | 956250000 |
| 14 | 993750000 |
| 15 | 1031250000 |
| 16 | 1312500000 |
| 17 | 2031250000 |
| 18 | 2312500000 |
| 19 | 3031250000 |
| 20 | 3093750000 |
| 21 | 3312500000 |
| 22 | 3937500000 |
| 23 | 4031250000 |
[131250000,231250000,331250000,393750000, 431250000,531250000,631250000,693750000,731250000, 831250000,911250000,931250000,956250000,993750000, 1031250000,1312500000,2031250000,2312500000, 3031250000,3093750000,3312500000,3937500000, 4031250000] |