A190967-OEIS公司

A190967号作为一个简单的表

n个	a（n）
0	0
1	1
2	4
三	7
4	-8
5	-95
6	-308
7	-377
8	1264
9	8449
10	22420
11	13639
12	-147224
13	-711647
14	-1521572
15	318535
16	14968288
17	57006337
18	93310756
19	-139814009
20	-1399052840
21	-4337885279
22	-4760065556
23	20000705287
24	122843411152
25	311367297025
26	139878487732
27	-2242791722297

[0,1,4,7,-8,-95,-308,-377,1264,8449,22420,13639,-147224,-711647,-1521572,318535,14968288,57006337,93310756,-139814009,-1399052840,-4337885279,-4760065556,20000705287,122843411152,311367297025,139878487732,-2242791722297]