A020399 - OEIS

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A020399

Numbers k such that the continued fraction for sqrt(k) has period 60.

919, 991, 1279, 1501, 1561, 1966, 2396, 2767, 2887, 3119, 3463, 3561, 3577, 3583, 4149, 4391, 4558, 4751, 5036, 5296, 5471, 5506, 5707, 5755, 5905, 6364, 6382, 6542, 6595, 6714, 6877, 6976, 7022, 7173, 7197, 7233, 7277, 7468, 7519, 7555, 7593, 7697

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Cf. A003285.

Sequence in context: A128375 A068689 A088284 * A084843 A059668 A162870

Adjacent sequences: A020396 A020397 A020398 * A020400 A020401 A020402

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved