登录

A195625型作为一个简单的表

n个a(n)
11
24
756
4435
57480
61760400
7178342500
8107770201
977071637784
1085438755160
11162402622743
12150321171634588
13314779738565193
141395140327976600
153899078438579384
1626320772661145332
17506075333191877232
186916169937061302541

[1,4,756,435,7480,1760400,178342500,107770201,77071637784,85438755160,162402622743,150321171634588,314779738565193,1395140327976600,3899078438579384,26320772661145332,506075333191877232,6916169937061302541]