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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 726 |
| 3 | 16813 |
| 4 | 451468 |
| 5 | 11815256 |
| 6 | 311275169 |
| 7 | 8202482914 |
| 8 | 216132492162 |
| 9 | 5694910498914 |
| 10 | 150054777556991 |
| 11 | 3953775892498008 |
| 12 | 104177764014536592 |
| 13 | 2744972159153714019 |
| 14 | 72327078831355250520 |
| 15 | 1905740996306739704109 |
[11,726,16813,451468,11815256,311275169, 8202482914,216132492162,5694910498914, 150054777556991,3953775892498008, 104177764014536592,2744972159153714019, 72327078831355250520,1905740996306739704109] |