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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 49 |
| 3 | 1936 |
| 4 | 1416100 |
| 5 | 143664196 |
| 6 | 1491615214489 |
| 7 | 149225256576841 |
| 8 | 1416368119690022500 |
[1,49,1936,1416100,143664196,1491615214489, 149225256576841,1416368119690022500] |