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A020408 Numbers k such that the continued fraction for sqrt(k) has period 69. 0

%I #12 Jul 11 2021 01:28:51

%S 1549,1741,4273,4349,4513,5437,5674,6037,7162,8537,9109,9661,10666,

%T 13306,14149,14549,16930,19769,20626,22049,22522,22874,22937,24161,

%U 24274,25673,27386,27490,27586,27673,30757,30773,30994,32173,34525,35533,35909,36037

%N Numbers k such that the continued fraction for sqrt(k) has period 69.

%Y Cf. A003285.

%K nonn

%O 1,1

%A _David W. Wilson_

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)