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例子
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a(1)=1到a(5)=28个多集分区的非同构代表:
{{1}} {{1,1}} {{1,1,1}} {{1,1,1,1}} {{1,1,1,1,1}}
{{1,2}} {{1,2,2}} {{1,1,2,2}} {{1,1,2,2,2}}
{{1,2,3}} {{1,2,2,2}} {{1,2,2,2,2}}
{{1},{1,1}} {{1,2,3,3}} {{1,2,2,3,3}}
{{2},{1,2}} {{1,2,3,4}} {{1,2,3,3,3}}
{{1},{1,1,1}} {{1,2,3,4,4}}
{{1},{1,2,2}} {{1,2,3,4,5}}
{{1,2},{2,2}} {{1},{1,1,1,1}}
{{1,3},{2,3}} {{1,1},{1,1,1}}
{{2},{1,2,2}} {{1,1},{1,2,2}}
{{3},{1,2,3}} {{1},{1,2,2,2}}
{{1},{2},{1,2}}{1,2},{2,2}}
{{1,2},{2,3,3}}
{{1,3},{2,3,3}}
{{1,4},{2,3,4}}
{{2},{1,1,2,2}}
{{2},{1,2,2,2}}
{{2},{1,2,3,3}}
{{2,2},{1,2,2}}
{{3},{1,2,3,3}}
{{3,3},{1,2,3}}
{{4},{1,2,3,4}}
{{1},{1,2},{2,2}}
{{1},{2},{1,2,2}}
{{2},{1,2},{2,2}}
{{2},{1,3},{2,3}}
{{2},{3},{1,2,3}}
{{3},{1,3},{2,3}}
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