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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 18 |
| 3 | 2192 |
| 4 | 2690028 |
| 5 | 33891544512 |
| 6 | 4169295414184440 |
| 7 | 4883659780216684278864 |
| 8 | 53651309692070478619341132840 |
| 9 | 5474401089420219382077156121856117424 |
| 10 | 5153775207320113310364604118676335808983329056 |
| 11 | 44553974378043749018508590814287728257805180848046038672 |
[3,18,2192,2690028,33891544512,4169295414184440, 4883659780216684278864, 53651309692070478619341132840, 5474401089420219382077156121856117424, 5153775207320113310364604118676335808983329056, 44553974378043749018508590814287728257805180848046\ 038672] |