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| n | a(n) |
|---|---|
| 0 | 1385 |
| 1 | 1028 |
| 2 | 262148 |
| 3 | 6691200 |
| 4 | 67108868 |
| 5 | 401563528 |
| 6 | 1719638400 |
| 7 | 5880096000 |
| 8 | 17179869188 |
| 9 | 44245285508 |
| 10 | 102401824648 |
| 11 | 218646057600 |
| 12 | 440234121600 |
| 13 | 838571182216 |
| 14 | 1511184672000 |
| 15 | 2613756691200 |
[1385,1028,262148,6691200,67108868,401563528, 1719638400,5880096000,17179869188,44245285508, 102401824648,218646057600,440234121600, 838571182216,1511184672000,2613756691200] |