A116705-OEIS公司

A116705号作为一个简单的表

n个	a（n）
1	1
2	2
三	6
4	22
5	86
6	321
7	1085
8	3266
9	8797
10	21478
11	48206
12	100728
13	198046
14	369617
15	659505
16	1131656
17	1876481
18	3018946
19	4728382
20	7230242
21	10820046
22	15879769
23	22896941
24	32486742
25	45417389
26	62639126
27	85317142
28	114868756
29	153005222
30	201778521

[1,2,6,22,86,321,1085,3266,8797,21478,48206,100728,198046,369617,659505,1131656,1876481,3018946,4728382,7230242,10820046,15879769,22896941,32486742,45417389,62639126,85317142,114868756,153005222,201778521]