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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -2 |
| 3 | -6 |
| 4 | 0 |
| 5 | -30 |
| 6 | 12 |
| 7 | -210 |
| 8 | 0 |
| 9 | 0 |
| 10 | 60 |
| 11 | -2310 |
| 12 | 0 |
| 13 | -30030 |
| 14 | 420 |
| 15 | 180 |
| 16 | 0 |
| 17 | -510510 |
| 18 | 0 |
| 19 | -9699690 |
| 20 | 0 |
| 21 | 1260 |
| 22 | 4620 |
| 23 | -223092870 |
| 24 | 0 |
| 25 | 0 |
| 26 | 60060 |
| 27 | 0 |
| 28 | 0 |
| 29 | -6469693230 |
| 30 | -360 |
| 31 | -200560490130 |
| 32 | 0 |
| 33 | 13860 |
| 34 | 1021020 |
| 35 | 6300 |
| 36 | 0 |
| 37 | -7420738134810 |
| 38 | 19399380 |
| 39 | 180180 |
| 40 | 0 |
| 41 | -304250263527210 |
| 42 | -2520 |
| 43 | -13082761331670030 |
| 44 | 0 |
| 45 | 0 |
| 46 | 446185740 |
| 47 | -614889782588491410 |
[1,-2,-6,0,-30,12,-210,0,0,60,-2310,0,-30030,420, 180,0,-510510,0,-9699690,0,1260,4620,-223092870,0, 0,60060,0,0,-6469693230,-360,-200560490130,0, 13860,1021020,6300,0,-7420738134810,19399380, 180180,0,-304250263527210,-2520, -13082761331670030,0,0,446185740, -614889782588491410] |