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| n | a(n) |
|---|---|
| 16 | 2027025 |
| 17 | 126351225 |
| 18 | 4307428125 |
| 19 | 106546244805 |
| 20 | 2141473308975 |
| 21 | 37150564425975 |
| 22 | 577265949054795 |
| 23 | 8235084928545475 |
| 24 | 109751266389634870 |
| 25 | 1384084804861708950 |
| 26 | 16677998006092973550 |
| 27 | 193476119789167365150 |
| 28 | 2173729827868142994450 |
| 29 | 23766456155164279406850 |
[2027025,126351225,4307428125,106546244805, 2141473308975,37150564425975,577265949054795, 8235084928545475,109751266389634870, 1384084804861708950,16677998006092973550, 193476119789167365150,2173729827868142994450, 23766456155164279406850] |