The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -4 |
| 3 | 60 |
| 4 | -2784 |
| 5 | 225680 |
| 6 | -29884864 |
| 7 | 5784292800 |
| 8 | -1544557830144 |
| 9 | 543835022577920 |
| 10 | -244140571254682624 |
| 11 | 136105808837097815040 |
| 12 | -92250989686413124706304 |
| 13 | 74707244097461420738908160 |
[1,-4,60,-2784,225680,-29884864,5784292800, -1544557830144,543835022577920, -244140571254682624,136105808837097815040, -92250989686413124706304, 74707244097461420738908160] |