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A065012 Integers for which the periodic part of the continued fraction for the square root of n begins with 9. 0
83, 199, 328, 365, 534, 581, 735, 790, 847, 1031, 1096, 1163, 1304, 1377, 1452, 1529, 1690, 1773, 1858, 1945, 2035, 2126, 2219, 2314, 2411, 2511, 2612, 2715, 2820, 2927, 2928, 3037, 3148, 3261, 3376, 3493, 3494, 3613, 3734, 3857, 3982, 3983, 4109, 4110 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

EXAMPLE

The continued fraction for the square root of 83 is 9, {9, 18}.

MATHEMATICA

Select[ Range[5000], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 9 & ]

CROSSREFS

Sequence in context: A066366 A142001 A211170 * A033253 A141933 A238680

Adjacent sequences:  A065009 A065010 A065011 * A065013 A065014 A065015

KEYWORD

cofr,easy,nonn

AUTHOR

Robert G. Wilson v, Nov 01 2001

STATUS

approved

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Last modified August 9 22:52 EDT 2020. Contains 336335 sequences. (Running on oeis4.)