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| n | a(n) |
|---|---|
| 1 | 42669 |
| 2 | 169828 |
| 3 | 256914 |
| 4 | 370028 |
| 5 | 673229 |
| 6 | 1439791 |
| 7 | 3429207 |
| 8 | 8936967 |
| 9 | 24799705 |
| 10 | 71469938 |
| 11 | 210239277 |
| 12 | 624906937 |
| 13 | 1866784570 |
| 14 | 5589710182 |
| 15 | 16755089278 |
| 16 | 50247017691 |
| 17 | 150717649463 |
| 18 | 452123299882 |
| 19 | 1356332753987 |
| 20 | 4068952191477 |
[42669,169828,256914,370028,673229,1439791, 3429207,8936967,24799705,71469938,210239277, 624906937,1866784570,5589710182,16755089278, 50247017691,150717649463,452123299882, 1356332753987,4068952191477] |