n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 2 |
3 | 4 |
4 | -14 |
5 | -52 |
6 | 284 |
7 | 1496 |
8 | -10958 |
9 | -74372 |
10 | 681652 |
11 | 5656616 |
12 | -62226116 |
13 | -610306712 |
14 | 7832965352 |
15 | 88645228304 |
16 | -1300254163918 |
17 | -16676932459172 |
18 | 275196007522436 |
19 | 3944890321174664 |
20 | -72330003541955564 |
21 | -1145979961718846152 |
22 | 23112838345877865752 |
23 | 401070175407076000624 |
24 | -8824400094691629670724 |
[1,-2,2,4,-14,-52,284,1496,-10958,-74372,681652, 5656616,-62226116,-610306712,7832965352, 88645228304,-1300254163918,-16676932459172, 275196007522436,3944890321174664, -72330003541955564,-1145979961718846152, 23112838345877865752,401070175407076000624, -8824400094691629670724] |