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 A020365 Numbers k such that the continued fraction for sqrt(k) has period 26. 0
 211, 214, 244, 301, 309, 358, 547, 553, 614, 628, 749, 835, 856, 1019, 1029, 1030, 1046, 1075, 1124, 1137, 1159, 1161, 1171, 1192, 1222, 1236, 1259, 1268, 1270, 1283, 1331, 1458, 1498, 1577, 1622, 1645, 1673, 1702, 1737, 1744, 1779, 1899, 1905, 1926, 1945 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..45. MATHEMATICA Select[Range[2000], Length[ContinuedFraction[Sqrt[#]][[2]]] == 26 &] (* Alonso del Arte, Jun 26 2018 *) CROSSREFS Sequence in context: A114442 A037272 A013530 * A031780 A036232 A064826 Adjacent sequences: A020362 A020363 A020364 * A020366 A020367 A020368 KEYWORD nonn AUTHOR David W. Wilson STATUS approved

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Last modified December 4 14:29 EST 2023. Contains 367563 sequences. (Running on oeis4.)