|
例子
|
a(5)=1到a(7)=12集合系统的非同构表示:
{{1},{2},{3},{2,3}} {{1},{2},{1,3},{2,3}} {{1},{2},{1,2},{3,4,5}}
{{1},{2},{3},{1,2,3}} {{1},{3},{2,3},{1,2,3}}
{{2},{3},{1,3},{2,3}} {{1},{4},{1,4},{2,3,4}}
{{3},{4},{1,2},{3,4}} {{2},{3},{2,3},{1,2,3}}
{{1},{2},{3},{4},{3,4}} {{3},{1,2},{1,3},{2,3}}
{{1},{2},{3},{1,3},{2,3}}
{{1},{2},{3},{2,4},{3,4}}
{{1},{2},{3},{4},{2,3,4}}
{{1},{3},{4},{2,4},{3,4}}
{{1},{4},{5},{2,3},{4,5}}
{{2}、{3}、{4}、{1、2}、{3、4}}
{{1},{2},{3},{4},{5},{4,5}}
|