The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1679616 |
| 1 | 815730721 |
| 2 | 25600000000 |
| 3 | 282429536481 |
| 4 | 1785793904896 |
| 5 | 7984925229121 |
| 6 | 28179280429056 |
| 7 | 83733937890625 |
| 8 | 218340105584896 |
| 9 | 513798374428641 |
| 10 | 1113034787454976 |
| 11 | 2252292232139041 |
| 12 | 4304672100000000 |
[1679616,815730721,25600000000,282429536481, 1785793904896,7984925229121,28179280429056, 83733937890625,218340105584896,513798374428641, 1113034787454976,2252292232139041, 4304672100000000] |