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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 125 |
| 3 | 153 |
| 4 | 1135 |
| 5 | 6518 |
| 6 | 42075 |
| 7 | 496125 |
| 8 | 5256306 |
| 9 | 54317972 |
| 10 | 654763535 |
| 11 | 7692611164 |
| 12 | 87530324083 |
| 13 | 1030945146251 |
| 14 | 12126445090240 |
| 15 | 141144001467291 |
| 16 | 1653160662473734 |
| 17 | 19389401589773948 |
| 18 | 226787823459888605 |
[13,125,153,1135,6518,42075,496125,5256306, 54317972,654763535,7692611164,87530324083, 1030945146251,12126445090240,141144001467291, 1653160662473734,19389401589773948, 226787823459888605] |