n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | -2 |
4 | 4 |
5 | -4 |
6 | 8 |
7 | -8 |
8 | 14 |
9 | -16 |
10 | 24 |
11 | -28 |
12 | 42 |
13 | -48 |
14 | 68 |
15 | -80 |
16 | 108 |
17 | -128 |
18 | 170 |
19 | -200 |
20 | 260 |
21 | -308 |
22 | 392 |
23 | -464 |
24 | 584 |
25 | -688 |
26 | 856 |
27 | -1010 |
28 | 1240 |
29 | -1460 |
30 | 1780 |
31 | -2088 |
32 | 2526 |
33 | -2960 |
34 | 3552 |
35 | -4152 |
36 | 4956 |
37 | -5776 |
38 | 6856 |
39 | -7976 |
40 | 9416 |
41 | -10928 |
42 | 12848 |
43 | -14872 |
44 | 17412 |
45 | -20116 |
46 | 23456 |
[1,0,2,-2,4,-4,8,-8,14,-16,24,-28,42,-48,68,-80, 108,-128,170,-200,260,-308,392,-464,584,-688,856, -1010,1240,-1460,1780,-2088,2526,-2960,3552,-4152, 4956,-5776,6856,-7976,9416,-10928,12848,-14872, 17412,-20116,23456] |