The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 7 | 56628 |
| 8 | 2668750 |
| 9 | 66449432 |
| 10 | 1171704435 |
| 11 | 16476937840 |
| 12 | 196924458720 |
| 13 | 2079913241120 |
| 14 | 19925913354061 |
| 15 | 176357530955320 |
| 16 | 1461629029629340 |
| 17 | 11460411934448048 |
| 18 | 85694099173907510 |
| 19 | 614960028331370816 |
| 20 | 4257157940494918160 |
| 21 | 28549761695867223680 |
| 22 | 186131532080726321441 |
| 23 | 1183191417356212860200 |
| 24 | 7351865732351585503652 |
[56628,2668750,66449432,1171704435,16476937840, 196924458720,2079913241120,19925913354061, 176357530955320,1461629029629340, 11460411934448048,85694099173907510, 614960028331370816,4257157940494918160, 28549761695867223680,186131532080726321441, 1183191417356212860200,7351865732351585503652] |