n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | -4 |
6 | 10 |
7 | -20 |
8 | 36 |
9 | -56 |
10 | 80 |
11 | -120 |
12 | 176 |
13 | -220 |
14 | 266 |
15 | -368 |
16 | 491 |
17 | -560 |
18 | 634 |
19 | -816 |
20 | 1050 |
21 | -1160 |
22 | 1210 |
23 | -1540 |
24 | 1982 |
25 | -2028 |
26 | 2080 |
27 | -2656 |
28 | 3192 |
29 | -3276 |
30 | 3380 |
31 | -4060 |
32 | 4986 |
33 | -5080 |
34 | 4896 |
35 | -6008 |
36 | 7345 |
37 | -7140 |
38 | 6954 |
39 | -8656 |
40 | 10224 |
41 | -9880 |
42 | 9796 |
43 | -11480 |
44 | 13552 |
45 | -13668 |
46 | 12650 |
[0,0,0,1,-4,10,-20,36,-56,80,-120,176,-220,266, -368,491,-560,634,-816,1050,-1160,1210,-1540,1982, -2028,2080,-2656,3192,-3276,3380,-4060,4986,-5080, 4896,-6008,7345,-7140,6954,-8656,10224,-9880,9796, -11480,13552,-13668,12650] |