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| n | a(n) |
|---|---|
| 1 | 2679 |
| 2 | 14320 |
| 3 | 70331 |
| 4 | 369357 |
| 5 | 1939341 |
| 6 | 10216539 |
| 7 | 54357112 |
| 8 | 289904665 |
| 9 | 1544994778 |
| 10 | 8237573436 |
| 11 | 43939277433 |
| 12 | 234399968825 |
| 13 | 1250409023076 |
| 14 | 6670253180113 |
| 15 | 35582350188965 |
| 16 | 189813584961248 |
| 17 | 1012551819177382 |
| 18 | 5401379190197737 |
[2679,14320,70331,369357,1939341,10216539, 54357112,289904665,1544994778,8237573436, 43939277433,234399968825,1250409023076, 6670253180113,35582350188965,189813584961248, 1012551819177382,5401379190197737] |