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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 237 |
| 3 | 7248 |
| 4 | 288829 |
| 5 | 12765040 |
| 6 | 589802909 |
| 7 | 27752564898 |
| 8 | 1319414370191 |
| 9 | 63167849881088 |
| 10 | 3040537134742112 |
| 11 | 146998128651407720 |
| 12 | 7133080659964442596 |
| 13 | 347227736612764543176 |
| 14 | 16948792785655500564103 |
| 15 | 829276538811229078591786 |
[8,237,7248,288829,12765040,589802909,27752564898, 1319414370191,63167849881088,3040537134742112, 146998128651407720,7133080659964442596, 347227736612764543176,16948792785655500564103, 829276538811229078591786] |