n | a(n) |
---|---|
1 | -1 |
2 | -3 |
3 | -5 |
4 | -7 |
5 | -21 |
6 | -92 |
7 | -209 |
8 | -415 |
9 | -947 |
10 | -1403 |
11 | -8484 |
12 | -26675 |
13 | -70708 |
14 | -205919 |
15 | -737729 |
16 | -2162013 |
17 | -4741957 |
18 | -13992966 |
19 | -77928220 |
20 | -122866869 |
21 | -374649610 |
22 | -1334960954 |
23 | -5317831008 |
24 | -9896721062 |
25 | -38014073661 |
[-1,-3,-5,-7,-21,-92,-209,-415,-947,-1403,-8484, -26675,-70708,-205919,-737729,-2162013,-4741957, -13992966,-77928220,-122866869,-374649610, -1334960954,-5317831008,-9896721062,-38014073661] |