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例子
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a(1)=1到a(5)=25个多集分区:
{{1}} {{2}} {{3}} {{4}} {{5}}
{{1,1}} {{1,1,1}} {{2,2}} {{1,1,3}}
{{1},{1}}{1},{2}}{1,1,2}}{1,2}}
{{1},{1,1}} {{1},{3}} {{1},{4}}
{{1},{1},{1}} {{2},{2}} {{2},{3}}
{{1,1,1,1}} {{1,1,1,2}}
{{1},{1,2}} {{1},{1,3}}
{{2},{1,1}} {{1},{2,2}}
{{1},{1,1,1}} {{2},{1,2}}
{{1,1},{1,1}}{3},{1,1}}
{{1},{1},{2}} {{1,1,1,1,1}}
{{1},{1},{1,1}} {{1},{1,1,2}}
{{1},{1},{1},{1}} {{1,1},{1,2}}
{{1},{1},{3}}
{{1},{2},{2}}
{{2},{1,1,1}}
{{1},{1,1,1,1}}
{{1,1},{1,1,1}}
{{1},{1},{1,2}}
{{1},{2},{1,1}}
{{1},{1},{1,1}}
{{1},{1,1},{1,1}}
{{1},{1},{1},{2}}
{{1},{1},{1},{1,1}}
{{1},{1},{1},{1},{1}}
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