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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 52 |
| 3 | 2414 |
| 4 | 111108 |
| 5 | 5111131 |
| 6 | 235112408 |
| 7 | 10815171642 |
| 8 | 497497898476 |
| 9 | 22884903384541 |
| 10 | 1052705558030480 |
| 11 | 48424455776753212 |
| 12 | 2227524970668044332 |
| 13 | 102466148877848717936 |
| 14 | 4713442858828497045208 |
| 15 | 216818371986693835466062 |
[1,52,2414,111108,5111131,235112408,10815171642, 497497898476,22884903384541,1052705558030480, 48424455776753212,2227524970668044332, 102466148877848717936,4713442858828497045208, 216818371986693835466062] |