The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -62 |
| 2 | 8579 |
| 3 | -1476538 |
| 4 | 276299401 |
| 5 | -54140398258 |
| 6 | 10925052030358 |
| 7 | -2250028212438240 |
| 8 | 470403050272649518 |
| 9 | -99482921702360817662 |
| 10 | 21231436164082720565341 |
| 11 | -4564732260005808181200000 |
| 12 | 987422026920066412423809840 |
[1,-62,8579,-1476538,276299401,-54140398258, 10925052030358,-2250028212438240, 470403050272649518,-99482921702360817662, 21231436164082720565341, -4564732260005808181200000, 987422026920066412423809840] |