#Lutece1744. 基环树的计数
基环树的计数
Migrated from Lutece 1744 基环树的计数
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Description
求包含个顶点,条边的连通无向图有多少种,顶点有标号,不允许重边和自环.
Input
输入只有一个整数.()
Output
输出行,分别表示从到时的答案,只需输出其在意义下的值即可
Samples
6
0
0
1
15
222
3660
Resources
Prepared by xiper