n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -1 |
4 | 2 |
5 | -5 |
6 | 13 |
7 | -40 |
8 | 126 |
9 | -409 |
10 | 1363 |
11 | -4617 |
12 | 15896 |
13 | -55444 |
14 | 195480 |
15 | -695636 |
16 | 2495118 |
17 | -9011281 |
18 | 32741839 |
19 | -119601339 |
20 | 438968354 |
21 | -1618006837 |
22 | 5986803522 |
23 | -22229028994 |
24 | 82798248894 |
25 | -309299225632 |
26 | 1158483827048 |
27 | -4349740078410 |
28 | 16368842606820 |
29 | -61727972554068 |
30 | 233233590724532 |
31 | -882851162632794 |
32 | 3347489178793192 |
33 | -12712739206990305 |
[1,1,-1,2,-5,13,-40,126,-409,1363,-4617,15896, -55444,195480,-695636,2495118,-9011281,32741839, -119601339,438968354,-1618006837,5986803522, -22229028994,82798248894,-309299225632, 1158483827048,-4349740078410,16368842606820, -61727972554068,233233590724532,-882851162632794, 3347489178793192,-12712739206990305] |