The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -123 |
| 2 | -28341 |
| 3 | -8688812 |
| 4 | -3182839959 |
| 5 | -1275218435124 |
| 6 | -539854235696065 |
| 7 | -237249494737728429 |
| 8 | -107125917871853210346 |
| 9 | -49374268015554366062883 |
| 10 | -23126111889684391337303994 |
| 11 | -10973394463170114841113101133 |
[1,-123,-28341,-8688812,-3182839959, -1275218435124,-539854235696065, -237249494737728429,-107125917871853210346, -49374268015554366062883, -23126111889684391337303994, -10973394463170114841113101133] |