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| n | a(n) |
|---|---|
| 1 | 125 |
| 2 | 4900 |
| 3 | 498520 |
| 4 | 128323584 |
| 5 | 4131348480 |
| 6 | 3136398496144 |
| 7 | 63552226862294 |
| 8 | 83329856800206769 |
| 9 | 483221758595102972 |
| 10 | 2349207562860745230400 |
| 11 | 10865276340207974040000 |
| 12 | 68734768761934621856452804 |
[125,4900,498520,128323584,4131348480, 3136398496144,63552226862294,83329856800206769, 483221758595102972,2349207562860745230400, 10865276340207974040000, 68734768761934621856452804] |