A250440-OEIS公司

A250440型作为一个简单的表

n个	a（n）
1	10000
2	250000
三	6250000
4	76562500
5	937890625
6	7353062500
7	57648010000
8	332052537600
9	1912622616576
10	8782450790400
11	40327580160000
12	155600676000000
13	600372506250000
14	2017918701562500
15	6782448969140625
16	20377491125062500

[10000,250000,6250000,76562500,937890625,7353062500,57648010000,332052537600,1912622616576,8782450790400,40327580160000,155600676000000,600372506250000,2017918701562500,6782448969140625,20377491125062500]