A098478-OEIS公司

A098478号作为一个简单的表

n个	a（n）
0	1
1	1
2	7
三	13
4	73
5	187
6	895
7	2737
8	11923
9	40333
10	166753
11	598111
12	2404309
13	8926651
14	35365651
15	134054005
16	527360581
17	2024611351
18	7940840719
19	30733601689
20	120439122811
21	468630460885
22	1836912780541
23	7173754477099
24	28140632060899

[1,1,7,13,73,187,895,2737,11923,40333,166753,598111,2404309,8926651,35365651,134054005,527360581,2024611351,7940840719,30733601689,120439122811,468630460885,1836912780541,7173754477099,28140632060899]