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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 16224 |
| 3 | 5985658 |
| 4 | 1608427228 |
| 5 | 371601597959 |
| 6 | 70116431548595 |
| 7 | 10962535851392548 |
| 8 | 1484609498751465944 |
| 9 | 180746700125333897094 |
| 10 | 20196427927488082918343 |
| 11 | 2086680362256607056736883 |
[1,16224,5985658,1608427228,371601597959, 70116431548595,10962535851392548, 1484609498751465944,180746700125333897094, 20196427927488082918343,2086680362256607056736883] |