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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 423 |
| 3 | 13401 |
| 4 | 453837 |
| 5 | 15269193 |
| 6 | 514371027 |
| 7 | 17324310663 |
| 8 | 583513743897 |
| 9 | 19653679602141 |
| 10 | 661968066724119 |
| 11 | 22296164158938861 |
| 12 | 750971189107675233 |
| 13 | 25293934916476773699 |
| 14 | 851940997449956765547 |
| 15 | 28694762814404871782187 |
[9,423,13401,453837,15269193,514371027, 17324310663,583513743897,19653679602141, 661968066724119,22296164158938861, 750971189107675233,25293934916476773699, 851940997449956765547,28694762814404871782187] |