A261202-OEIS公司

A261202型作为一个简单的表

n个	a（n）
0	1
1	-2
2	0
三	0
4	2
5	0
6	2
7	-4
8	0
9	-4
10	8
11	0
12	5
13	-14
14	0
15	-8
16	20
17	0
18	14
19	-28
20	0
21	-20
22	44
23	0
24	28
25	-66
26	0
27	-40
28	90
29	0
30	56
31	-124
32	0
33	-80
34	176
35	0
36	109
37	-244
38	0
39	-144
40	326
41	0
42	198
43	-432
44	0
45	-268
46	580
47	0
48	349
49	-772
50	0
51	-456
52	1004
53	0
54	600
55	-1300
56	0
57	-780
58	1692
59	0
60	1001

[1,-2,0,0,2,0,2,-4,0,-4,8,0,5,-14,0,-8,20,0,14,-28,0,-20,44,0,28,-66,0,-40,90,0,56,-124,0,-80,176,0,109,-244,0,-144,326,0,198,-432,0,-268,580,0,349,-772,0,-456,1004,0,600,-1300,0,-780,1692,0,1001]