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| n | a(n) |
|---|---|
| 1 | 1024 |
| 2 | 3037500 |
| 3 | 8977824540 |
| 4 | 26533211918040 |
| 5 | 78416544382742160 |
| 6 | 231753101877188629380 |
| 7 | 684925618712729136913980 |
| 8 | 2024236566241727245692157080 |
| 9 | 5982450596328307878990974438640 |
[1024,3037500,8977824540,26533211918040, 78416544382742160,231753101877188629380, 684925618712729136913980, 2024236566241727245692157080, 5982450596328307878990974438640] |