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| n | a(n) |
|---|---|
| 1 | 150 |
| 2 | 7549603600 |
| 3 | 727595757696091789500850 |
| 4 | 2117582368135750847670237999380338002646893205850 |
| 5 | 2938735877055718769921841343055614194546663890575052824338790458115908899263959376574600 |
[150,7549603600,727595757696091789500850, 2117582368135750847670237999380338002646893205850, 29387358770557187699218413430556141945466638905750\ 52824338790458115908899263959376574600] |