Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 3 |
4 | 0 |
5 | -30 |
6 | 90 |
7 | 588 |
8 | -5040 |
9 | -11400 |
10 | 325080 |
11 | -336072 |
12 | -25237080 |
13 | 126955920 |
14 | 2273150880 |
15 | -25210740552 |
16 | -217110741120 |
17 | 4985924326080 |
18 | 16380284725440 |
19 | -1066531842442752 |
20 | 1493617498611840 |
21 | 249776526926340480 |
22 | -1647997041357152640 |
23 | -63281386481329443072 |
[1,0,0,3,0,-30,90,588,-5040,-11400,325080,-336072, -25237080,126955920,2273150880,-25210740552, -217110741120,4985924326080,16380284725440, -1066531842442752,1493617498611840, 249776526926340480,-1647997041357152640, -63281386481329443072] |