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A077426 Numbers n such that continued fraction expansion of (sqrt(n)+1)/2 has odd (primitive) period length. +0
8
5, 13, 17, 29, 37, 41, 53, 61, 65, 73, 85, 89, 97, 101, 109, 113, 125, 137, 145, 149, 157, 173, 181, 185, 193, 197, 229, 233, 241, 257, 265, 269, 277, 281, 293, 313, 317, 325, 337, 349, 353, 365, 373, 389, 397 (list; graph; listen)
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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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