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A031687 Numbers n such that continued fraction for sqrt(n) has odd period and central terms 99. +0
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9802, 198997, 200785, 201682, 298237, 420073, 556741, 561226, 710938, 719393, 891497, 895277, 899065, 1086205, 1094557, 1098745, 1300129, 1311554, 1316138, 1533269, 1543189, 1545674, 1548161, 1553141, 1558129, 1560626, 1817833, 2062937 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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