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| n | a(n) |
|---|---|
| 1 | 253680 |
| 2 | 1138830 |
| 3 | 58680930 |
| 4 | 90895770 |
| 5 | 124253010 |
| 6 | 269877300 |
| 7 | 392071680 |
| 8 | 613813200 |
| 9 | 1014342210 |
| 10 | 1277981670 |
| 11 | 1413015030 |
| 12 | 1453978680 |
| 13 | 1753585680 |
| 14 | 2919331380 |
| 15 | 3424037190 |
| 16 | 3538972710 |
| 17 | 4025789040 |
| 18 | 4175762010 |
| 19 | 4362439200 |
[253680,1138830,58680930,90895770,124253010, 269877300,392071680,613813200,1014342210, 1277981670,1413015030,1453978680,1753585680, 2919331380,3424037190,3538972710,4025789040, 4175762010,4362439200] |