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A303866
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Number of noncrossing path sets on 4*n nodes up to rotation with each path having exactly 4 nodes.
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3
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1, 3, 36, 960, 35956, 1588192, 77381016, 4031052368, 220584971892, 12535415236272, 734006917110352, 44036846006084336, 2695712407044476920, 167837690527630068192, 10601944003900014217704, 678116169233319969588160, 43848248800067454244195956, 2862607888444933662236506240
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OFFSET
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0,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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