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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 172 |
| 3 | 6548 |
| 4 | 250031 |
| 5 | 9548295 |
| 6 | 364637102 |
| 7 | 13925032958 |
| 8 | 531779578441 |
| 9 | 20307996787865 |
| 10 | 775536991678112 |
| 11 | 29616787512285048 |
| 12 | 1131028064429979731 |
| 13 | 43192546862380323515 |
| 14 | 1649469330720040937602 |
| 15 | 62991170251091380482818 |
[5,172,6548,250031,9548295,364637102,13925032958, 531779578441,20307996787865,775536991678112, 29616787512285048,1131028064429979731, 43192546862380323515,1649469330720040937602, 62991170251091380482818] |