n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -2 |
3 | -8 |
4 | -26 |
5 | -80 |
6 | -244 |
7 | -752 |
8 | -2362 |
9 | -7584 |
10 | -24892 |
11 | -83376 |
12 | -284324 |
13 | -984672 |
14 | -3455144 |
15 | -12259168 |
16 | -43908026 |
17 | -158531392 |
18 | -576352364 |
19 | -2107982128 |
20 | -7750490636 |
21 | -28629222112 |
22 | -106190978264 |
23 | -395347083808 |
24 | -1476813394916 |
25 | -5533435084480 |
26 | -20790762971864 |
27 | -78316232088032 |
[1,0,-2,-8,-26,-80,-244,-752,-2362,-7584,-24892, -83376,-284324,-984672,-3455144,-12259168, -43908026,-158531392,-576352364,-2107982128, -7750490636,-28629222112,-106190978264, -395347083808,-1476813394916,-5533435084480, -20790762971864,-78316232088032] |