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A065009 Integers for which the periodic part of the continued fraction for the square root of n begins with 6. 0
10, 38, 84, 103, 148, 173, 230, 261, 294, 330, 367, 406, 448, 491, 536, 583, 584, 633, 684, 737, 738, 793, 850, 909, 910, 970, 971, 1034, 1099, 1100, 1166, 1167, 1236, 1307, 1308, 1380, 1381, 1455, 1456, 1533, 1534, 1612, 1613, 1693, 1694, 1777, 1778 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

EXAMPLE

The continued fraction for the square root of 84 is 9, {6, 18}.

MATHEMATICA

Select[ Range[1500], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 6 & ]

CROSSREFS

Sequence in context: A129426 A215881 A279543 * A031430 A154517 A034859

Adjacent sequences:  A065006 A065007 A065008 * A065010 A065011 A065012

KEYWORD

cofr,easy,nonn

AUTHOR

Robert G. Wilson v, Nov 01 2001

STATUS

approved

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Last modified September 24 15:14 EDT 2020. Contains 337321 sequences. (Running on oeis4.)