The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 63 |
| 3 | 1287 |
| 4 | 36465 |
| 5 | 1322685 |
| 6 | 58503375 |
| 7 | 3053876175 |
| 8 | 183771489825 |
| 9 | 12525477859125 |
| 10 | 953725671273375 |
| 11 | 80237355387564375 |
| 12 | 7391465178302430225 |
| 13 | 739967791738943292525 |
| 14 | 79993069900054731795375 |
| 15 | 9286937373235386442953375 |
| 16 | 1152424501315118408602850625 |
[1,5,63,1287,36465,1322685,58503375,3053876175, 183771489825,12525477859125,953725671273375, 80237355387564375,7391465178302430225, 739967791738943292525,79993069900054731795375, 9286937373235386442953375, 1152424501315118408602850625] |