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| n | a(n) |
|---|---|
| 1 | 239 |
| 2 | 1871 |
| 3 | 151871 |
| 4 | 390959 |
| 5 | 839519 |
| 6 | 5622479 |
| 7 | 10256399 |
| 8 | 14639039 |
| 9 | 20295599 |
| 10 | 27451871 |
| 11 | 53551871 |
| 12 | 60453359 |
| 13 | 68001359 |
| 14 | 142374959 |
| 15 | 188226719 |
| 16 | 224415599 |
| 17 | 244351871 |
| 18 | 364651871 |
| 19 | 423474479 |
| 20 | 524701871 |
| 21 | 562166159 |
| 22 | 1119903119 |
| 23 | 2015694719 |
| 24 | 2223601871 |
[239,1871,151871,390959,839519,5622479,10256399, 14639039,20295599,27451871,53551871,60453359, 68001359,142374959,188226719,224415599,244351871, 364651871,423474479,524701871,562166159, 1119903119,2015694719,2223601871] |