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What is the Langford number for 7?

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Anonymous

∙ 14y ago
Updated: 8/20/2019

There are several solutions and, in increasing order, they are 14156742352637, 14167345236275, 15146735423627, 15163745326427, 15167245236473, 15173465324726, 16135743625427, 16172452634753, 17125623475364, 17126425374635, 23627345161475

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Wiki User

∙ 14y ago

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