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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 47 |
| 3 | 1307 |
| 4 | 77587 |
| 5 | 9532771 |
| 6 | 2382934915 |
| 7 | 1203182006883 |
| 8 | 1223431341113467 |
| 9 | 2503405292687579547 |
| 10 | 10310784667022325909483 |
| 11 | 85532677566328699199301659 |
| 12 | 1430104344703313378401501706139 |
| 13 | 48228702523491961059131488089168571 |
[4,47,1307,77587,9532771,2382934915,1203182006883, 1223431341113467,2503405292687579547, 10310784667022325909483, 85532677566328699199301659, 1430104344703313378401501706139, 48228702523491961059131488089168571] |