The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 88 |
| 3 | 893 |
| 4 | 8217 |
| 5 | 73035 |
| 6 | 640495 |
| 7 | 5586791 |
| 8 | 48624987 |
| 9 | 422832951 |
| 10 | 3675525835 |
| 11 | 31945165919 |
| 12 | 277628591571 |
| 13 | 2412749978775 |
| 14 | 20967950350123 |
| 15 | 182220740086511 |
| 16 | 1583575892972451 |
| 17 | 13761939669663303 |
| 18 | 119597001511594267 |
[6,88,893,8217,73035,640495,5586791,48624987, 422832951,3675525835,31945165919,277628591571, 2412749978775,20967950350123,182220740086511, 1583575892972451,13761939669663303, 119597001511594267] |