The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 23 |
| 2 | 871 |
| 3 | 5423 |
| 4 | 229955 |
| 5 | 13771373 |
| 6 | 558588875 |
| 7 | 21549990623 |
| 8 | 1325878234371 |
| 9 | 17040894859373 |
| 10 | 429205867309373 |
[23,871,5423,229955,13771373,558588875, 21549990623,1325878234371,17040894859373, 429205867309373] |