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URL: https://oeis.org/A020375

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A020375
Numbers k such that the continued fraction for sqrt(k) has period 36.
1
478, 556, 652, 958, 1054, 1177, 1273, 1329, 1439, 1511, 1541, 1651, 1660, 1676, 1724, 1738, 1804, 1891, 1990, 2014, 2041, 2076, 2097, 2111, 2126, 2191, 2369, 2383, 2423, 2588, 2686, 2716, 2732, 2769, 2806, 2869, 2927, 3082, 3148, 3166, 3191, 3228, 3269
OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..1000 from Harvey P. Dale)
MATHEMATICA
cf36Q[n_]:=Module[{s=Sqrt[n]}, Length[If[IntegerQ[s], {1}, ContinuedFraction[s][[2]]]]==36]; Select[Range[3300], cf36Q] (* Harvey P. Dale, Apr 06 2013 *)
CROSSREFS
Sequence in context: A227706 A261816 A352265 * A031788 A252543 A235083
KEYWORD
nonn
STATUS
approved