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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 31 |
| 3 | 61 |
| 4 | 271 |
| 5 | 1381 |
| 6 | 4423 |
| 7 | 7867 |
| 8 | 22273 |
| 9 | 24337 |
| 10 | 38557 |
| 11 | 40351 |
| 12 | 69661 |
| 13 | 480343 |
| 14 | 1164799 |
| 15 | 1207903 |
| 16 | 1468189 |
| 17 | 1526929 |
| 18 | 3976003 |
| 19 | 11962963 |
| 20 | 14466967 |
| 21 | 19097593 |
| 22 | 30098239 |
| 23 | 39895771 |
| 24 | 198389797 |
| 25 | 303644749 |
| 26 | 393202651 |
| 27 | 485949787 |
| 28 | 680676709 |
| 29 | 1917215533 |
| 30 | 3868901233 |
| 31 | 4899890383 |
| 32 | 6957510319 |
| 33 | 7599383353 |
[13,31,61,271,1381,4423,7867,22273,24337,38557, 40351,69661,480343,1164799,1207903,1468189, 1526929,3976003,11962963,14466967,19097593, 30098239,39895771,198389797,303644749,393202651, 485949787,680676709,1917215533,3868901233, 4899890383,6957510319,7599383353] |