The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 3 | 3 |
| 4 | 50 |
| 5 | 825 |
| 6 | 14794 |
| 7 | 294987 |
| 8 | 6547946 |
| 9 | 160994565 |
| 10 | 4355845868 |
| 11 | 128831993037 |
| 12 | 4139915120692 |
| 13 | 143730813561387 |
| 14 | 5364402750234722 |
| 15 | 214267821055280535 |
| 16 | 9122448969654942398 |
| 17 | 412494871628188325985 |
| 18 | 19745497885965416922364 |
| 19 | 997667658771538572210069 |
[3,50,825,14794,294987,6547946,160994565, 4355845868,128831993037,4139915120692, 143730813561387,5364402750234722, 214267821055280535,9122448969654942398, 412494871628188325985,19745497885965416922364, 997667658771538572210069] |