n | a(n) |
---|---|
0 | 1 |
1 | -3 |
2 | 14 |
3 | -57 |
4 | 246 |
5 | -1038 |
6 | 4424 |
7 | -18777 |
8 | 79846 |
9 | -339258 |
10 | 1442004 |
11 | -6128202 |
12 | 26045436 |
13 | -110691948 |
14 | 470442924 |
15 | -1999378137 |
16 | 8497365126 |
17 | -36113785698 |
18 | 153483619604 |
19 | -652305322542 |
20 | 2772297736276 |
21 | -11782265148228 |
22 | 50074627320864 |
23 | -212817165231882 |
24 | 904472953925596 |
[1,-3,14,-57,246,-1038,4424,-18777,79846,-339258, 1442004,-6128202,26045436,-110691948,470442924, -1999378137,8497365126,-36113785698,153483619604, -652305322542,2772297736276,-11782265148228, 50074627320864,-212817165231882,904472953925596] |