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| n | a(n) |
|---|---|
| 1 | 462 |
| 2 | 3684 |
| 3 | 27836 |
| 4 | 220560 |
| 5 | 1773948 |
| 6 | 14076412 |
| 7 | 111309712 |
| 8 | 884028160 |
| 9 | 7024666376 |
| 10 | 55750690252 |
| 11 | 442430381216 |
| 12 | 3512371728624 |
| 13 | 27883460665424 |
| 14 | 221335028705752 |
| 15 | 1756948824977084 |
| 16 | 13946977001389640 |
| 17 | 110712894043043324 |
[462,3684,27836,220560,1773948,14076412,111309712, 884028160,7024666376,55750690252,442430381216, 3512371728624,27883460665424,221335028705752, 1756948824977084,13946977001389640, 110712894043043324] |