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| n | a(n) |
|---|---|
| 1 | 1396755360 |
| 2 | 4190266080 |
| 3 | 4655851200 |
| 4 | 4942365120 |
| 5 | 9884730240 |
| 6 | 24443218800 |
| 7 | 48886437600 |
| 8 | 61779564000 |
| 9 | 83805321600 |
| 10 | 97772875200 |
| 11 | 107550162720 |
| 12 | 123559128000 |
| 13 | 247118256000 |
| 14 | 412275623760 |
| 15 | 419026608000 |
| 16 | 535422888000 |
| 17 | 803134332000 |
| 18 | 879955876800 |
| 19 | 899510451840 |
| 20 | 1173274502400 |
[1396755360,4190266080,4655851200,4942365120, 9884730240,24443218800,48886437600,61779564000, 83805321600,97772875200,107550162720,123559128000, 247118256000,412275623760,419026608000, 535422888000,803134332000,879955876800, 899510451840,1173274502400] |