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A065010 Integers for which the periodic part of the continued fraction for the square root of n begins with 7. 0
51, 124, 200, 229, 329, 366, 447, 490, 535, 632, 683, 736, 792, 849, 908, 969, 1033, 1098, 1165, 1234, 1235, 1306, 1379, 1454, 1531, 1532, 1611, 1692, 1775, 1776, 1860, 1861, 1948, 2037, 2128, 2129, 2221, 2222, 2317, 2414, 2415, 2513, 2514, 2614, 2615 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

EXAMPLE

The continued fraction for the square root of 84 is 7, {7, 14}.

MATHEMATICA

Select[ Range[3000], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 7 & ]

CROSSREFS

Sequence in context: A068564 A063314 A129298 * A097644 A044302 A044683

Adjacent sequences:  A065007 A065008 A065009 * A065011 A065012 A065013

KEYWORD

cofr,easy,nonn

AUTHOR

Robert G. Wilson v, Nov 01 2001

STATUS

approved

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Last modified September 18 12:28 EDT 2020. Contains 337169 sequences. (Running on oeis4.)