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| n | a(n) |
|---|---|
| 1 | 3048544 |
| 2 | 1380479280 |
| 3 | 490921163308 |
| 4 | 148812223113936 |
| 5 | 40748437316237404 |
| 6 | 10397256424705262728 |
| 7 | 2520284777347122442980 |
| 8 | 587713888919277760959036 |
| 9 | 132997535323270057864532536 |
[3048544,1380479280,490921163308,148812223113936, 40748437316237404,10397256424705262728, 2520284777347122442980,587713888919277760959036, 132997535323270057864532536] |