The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 144 |
| 2 | 373248 |
| 3 | 34828517376 |
| 4 | 116997070082015232 |
| 5 | 14148730862126934905585664 |
| 6 | 61597414834991926584601402260062208 |
| 7 | 9654059848037384195421778226918440269760167936 |
| 8 | 54470327768942860701549299585257673594965942082487957061632 |
[2,144,373248,34828517376,116997070082015232, 14148730862126934905585664, 61597414834991926584601402260062208, 9654059848037384195421778226918440269760167936, 54470327768942860701549299585257673594965942082487\ 957061632] |