A196075-OEIS公司

A196075型作为一个简单的表

n个	a（n）
1	0
2	6
三	6
4	39
5	77
6	296
7	931
8	2638
9	8969
10	29941
11	99585
12	315727
13	1074032
14	3477361
15	11370172
16	37477271
17	122469356
18	399765201
19	1309196450
20	4286354555
21	14003095258
22	45836607641
23	149994346388
24	490592491099
25	1605187568492
26	5252818092741

[0,6,6,39,77,296,931,2638,8969,29941,99585,315727,1074032,3477361,11370172,37477271,122469356,399765201,1309196450,4286354555,14003095258,45836607641,149994346388,490592491099,1605187568492,5252818092741]