n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | -12 |
3 | -2 |
4 | 10248 |
5 | -672678 |
6 | -20843460 |
7 | 16777261590 |
8 | -2958597356400 |
9 | -195442688499150 |
10 | 352062527506877700 |
11 | -110808084056350289490 |
12 | -28855116263423436192360 |
13 | 55915766816627672060266890 |
[0,2,-12,-2,10248,-672678,-20843460,16777261590, -2958597356400,-195442688499150, 352062527506877700,-110808084056350289490, -28855116263423436192360, 55915766816627672060266890] |