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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 123 |
| 3 | 3906 |
| 4 | 290493 |
| 5 | 50798448 |
| 6 | 20934997854 |
| 7 | 20362314816594 |
| 8 | 46787487624514011 |
| 9 | 254139760746795381570 |
| 10 | 3264888823627308294556086 |
| 11 | 99237696030829285729525930860 |
| 12 | 7138720016139671638776178554740514 |
[9,123,3906,290493,50798448,20934997854, 20362314816594,46787487624514011, 254139760746795381570,3264888823627308294556086, 99237696030829285729525930860, 7138720016139671638776178554740514] |