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| n | a(n) |
|---|---|
| 1 | 210 |
| 2 | 294 |
| 3 | 5880 |
| 4 | 52888 |
| 5 | 127044 |
| 6 | 414180 |
| 7 | 8264470 |
| 8 | 12456750 |
| 9 | 41868508 |
| 10 | 112670544 |
| 11 | 441341880 |
| 12 | 468144040 |
| 13 | 669421494 |
| 14 | 702338994 |
| 15 | 715976338 |
| 16 | 750005718 |
| 17 | 960645294 |
| 18 | 1491030294 |
| 19 | 3768258010 |
| 20 | 4783279044 |
| 21 | 8505429358 |
| 22 | 17105045530 |
[210,294,5880,52888,127044,414180,8264470, 12456750,41868508,112670544,441341880,468144040, 669421494,702338994,715976338,750005718,960645294, 1491030294,3768258010,4783279044,8505429358, 17105045530] |